Finding the Fourth Proportional to 27,535,864.17, 38,000,209.07 and 15,146,276.70
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Solution
The fourth proportional to 27,535,864.17, 38,000,209.07 and 15,146,276.70 is: 20,902,255.97
Step by Step Solution
- Step 1: Write the proportion equation
27,535,864.17 : 38,000,209.07 = 15,146,276.70 : x - Step 2: Convert to fraction form
27,535,864.17/38,000,209.07 = 15,146,276.70/x - Step 3: Cross multiply
27,535,864.17x = 38,000,209.07 × 15,146,276.70 - Step 4: Simplify right side
27,535,864.17x = 575,561,681,232,069.62 - Step 5: Solve for x
x = 575,561,681,232,069.62/27,535,864.17 - Step 6: Final answer
x = 20,902,255.97
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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.