Finding the Fourth Proportional to 49,207,720.60, 73,811,580.90 and 15,129,011.80
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Solution
The fourth proportional to 49,207,720.60, 73,811,580.90 and 15,129,011.80 is: 22,693,517.70
Step by Step Solution
- Step 1: Write the proportion equation
49,207,720.60 : 73,811,580.90 = 15,129,011.80 : x - Step 2: Convert to fraction form
49,207,720.60/73,811,580.90 = 15,129,011.80/x - Step 3: Cross multiply
49,207,720.60x = 73,811,580.90 × 15,129,011.80 - Step 4: Simplify right side
49,207,720.60x = 1,116,696,278,412,754.75 - Step 5: Solve for x
x = 1,116,696,278,412,754.75/49,207,720.60 - Step 6: Final answer
x = 22,693,517.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.