Finding the Fourth Proportional to 47,060,537.20, 64,951,242.80 and 39,207,596.56
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Solution
The fourth proportional to 47,060,537.20, 64,951,242.80 and 39,207,596.56 is: 54,112,899.58
Step by Step Solution
- Step 1: Write the proportion equation
47,060,537.20 : 64,951,242.80 = 39,207,596.56 : x - Step 2: Convert to fraction form
47,060,537.20/64,951,242.80 = 39,207,596.56/x - Step 3: Cross multiply
47,060,537.20x = 64,951,242.80 × 39,207,596.56 - Step 4: Simplify right side
47,060,537.20x = 2,546,582,123,773,005 - Step 5: Solve for x
x = 2,546,582,123,773,005/47,060,537.20 - Step 6: Final answer
x = 54,112,899.58
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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.