Finding the Fourth Proportional to 47,688,385.70, 71,542,748.10 and 27,227,907.20
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Solution
The fourth proportional to 47,688,385.70, 71,542,748.10 and 27,227,907.20 is: 40,847,667.15
Step by Step Solution
- Step 1: Write the proportion equation
47,688,385.70 : 71,542,748.10 = 27,227,907.20 : x - Step 2: Convert to fraction form
47,688,385.70/71,542,748.10 = 27,227,907.20/x - Step 3: Cross multiply
47,688,385.70x = 71,542,748.10 × 27,227,907.20 - Step 4: Simplify right side
47,688,385.70x = 1,947,959,306,099,776 - Step 5: Solve for x
x = 1,947,959,306,099,776/47,688,385.70 - Step 6: Final answer
x = 40,847,667.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.