Finding the Fourth Proportional to 27,982,065.13, 38,614,857.35 and 15,592,680.74
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Solution
The fourth proportional to 27,982,065.13, 38,614,857.35 and 15,592,680.74 is: 21,517,680.69
Step by Step Solution
- Step 1: Write the proportion equation
27,982,065.13 : 38,614,857.35 = 15,592,680.74 : x - Step 2: Convert to fraction form
27,982,065.13/38,614,857.35 = 15,592,680.74/x - Step 3: Cross multiply
27,982,065.13x = 38,614,857.35 × 15,592,680.74 - Step 4: Simplify right side
27,982,065.13x = 602,109,142,520,736.62 - Step 5: Solve for x
x = 602,109,142,520,736.62/27,982,065.13 - Step 6: Final answer
x = 21,517,680.69
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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.