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# Multiplying one column by the sum of many columns

Posted on 2011-09-16
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In Excel 2007, how do I multiply a range D4:D17 by the sum of H4:L17?

Thanks!
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Question by:paxtonm
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LVL 92

Expert Comment

If you mean, multiply sum of range 1 by sum of range 2:

=SUM(d14:d17)*sum(h4:l17)

If that's not what you mean, then please claify.
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LVL 50

Expert Comment

Taking that literally you seem to be asking for

=D4:D17*SUM(H4:L17)

that multiplies every cell in D4:D17 by the sum of the second range - the result is an array of 14 values which you'll need to array enter in a 14*1 range to see correctly......

reagrds, barry
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LVL 2

Expert Comment

If you mean you want to add (in column Z for example) what you get when each number in D is multiplied by the sum of H then use the following formula.  Write this in Z4:
= D4 * SUM(\$H\$4:\$I\$17)
and then copy that formula down to the rest of column Z.

The \$ signs will stop the reference changing as you copy it down.
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Author Comment

Actually, I should have been clearer.  I need a solution for (d14*sum(H14:L14))+(d15*sum(H15:L15))+(d16*sum(H16:L16)) because my range is 25 rows and I have four worksheets.
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LVL 2

Expert Comment

How about, in Z4 you add a formula = D14*SUM(\$H\$14:\$L\$14) and then copy it down.
Then take the sum of column Z.
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LVL 2

Expert Comment

Sorry - try that without the dollars.
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LVL 92

Expert Comment

If you can put sums in, say, Column M, it becomes very easy:

=SUMPRODUCT(d4:d17,m4:m17)
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LVL 50

Accepted Solution

barry houdini earned 500 total points
>I need a solution for (d14*sum(H14:L14))+(d15*sum(H15:L15))+(d16*sum(H16:L16))

For your original data ranges try

=SUMPRODUCT(D4:D17,SUBTOTAL(9,OFFSET(H4:L17,ROW(H4:H17)-ROW(H4),0,1)))

regards, barry
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LVL 50

Assisted Solution

barry houdini earned 500 total points
Actually the above might be overkill....

As long as the ranges don't contain any text then without any helper columns you can use just

=SUMPRODUCT(D4:D17*H4:L17)

regards, barry
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Author Closing Comment

I implemented the first solution before the second solution was offered, but they both work.
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