Finding the Fourth Proportional to 53,199,732.70, 73,415,597.96 and 28,753,446.70
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Solution
The fourth proportional to 53,199,732.70, 73,415,597.96 and 28,753,446.70 is: 39,679,738.52
Step by Step Solution
- Step 1: Write the proportion equation
53,199,732.70 : 73,415,597.96 = 28,753,446.70 : x - Step 2: Convert to fraction form
53,199,732.70/73,415,597.96 = 28,753,446.70/x - Step 3: Cross multiply
53,199,732.70x = 73,415,597.96 × 28,753,446.70 - Step 4: Simplify right side
53,199,732.70x = 2,110,951,482,747,721.50 - Step 5: Solve for x
x = 2,110,951,482,747,721.50/53,199,732.70 - Step 6: Final answer
x = 39,679,738.52
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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.