Finding the Fourth Proportional to 27,587,356.14, 38,070,551.70 and 15,364,213.14
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Solution
The fourth proportional to 27,587,356.14, 38,070,551.70 and 15,364,213.14 is: 21,202,614.26
Step by Step Solution
- Step 1: Write the proportion equation
27,587,356.14 : 38,070,551.70 = 15,364,213.14 : x - Step 2: Convert to fraction form
27,587,356.14/38,070,551.70 = 15,364,213.14/x - Step 3: Cross multiply
27,587,356.14x = 38,070,551.70 × 15,364,213.14 - Step 4: Simplify right side
27,587,356.14x = 584,924,070,676,189.38 - Step 5: Solve for x
x = 584,924,070,676,189.38/27,587,356.14 - Step 6: Final answer
x = 21,202,614.26
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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.