Finding the Fourth Proportional to 15,851,553.12, 21,881,839.68 and 10,701,889.92
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Solution
The fourth proportional to 15,851,553.12, 21,881,839.68 and 10,701,889.92 is: 14,773,129.03
Step by Step Solution
- Step 1: Write the proportion equation
15,851,553.12 : 21,881,839.68 = 10,701,889.92 : x - Step 2: Convert to fraction form
15,851,553.12/21,881,839.68 = 10,701,889.92/x - Step 3: Cross multiply
15,851,553.12x = 21,881,839.68 × 10,701,889.92 - Step 4: Simplify right side
15,851,553.12x = 234,177,039,502,448.03 - Step 5: Solve for x
x = 234,177,039,502,448.03/15,851,553.12 - Step 6: Final answer
x = 14,773,129.03
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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.