Finding the Fourth Proportional to 15,237,062.14, 21,026,110.59 and 8,361,987.07
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Solution
The fourth proportional to 15,237,062.14, 21,026,110.59 and 8,361,987.07 is: 11,538,974.07
Step by Step Solution
- Step 1: Write the proportion equation
15,237,062.14 : 21,026,110.59 = 8,361,987.07 : x - Step 2: Convert to fraction form
15,237,062.14/21,026,110.59 = 8,361,987.07/x - Step 3: Cross multiply
15,237,062.14x = 21,026,110.59 × 8,361,987.07 - Step 4: Simplify right side
15,237,062.14x = 175,820,064,885,970.06 - Step 5: Solve for x
x = 175,820,064,885,970.06/15,237,062.14 - Step 6: Final answer
x = 11,538,974.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.