Finding the Fourth Proportional to 8,676,130.52, 12,936,627.50 and 8,437,776.68
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Solution
The fourth proportional to 8,676,130.52, 12,936,627.50 and 8,437,776.68 is: 12,581,227.72
Step by Step Solution
- Step 1: Write the proportion equation
8,676,130.52 : 12,936,627.50 = 8,437,776.68 : x - Step 2: Convert to fraction form
8,676,130.52/12,936,627.50 = 8,437,776.68/x - Step 3: Cross multiply
8,676,130.52x = 12,936,627.50 × 8,437,776.68 - Step 4: Simplify right side
8,676,130.52x = 109,156,373,837,346.70 - Step 5: Solve for x
x = 109,156,373,837,346.70/8,676,130.52 - Step 6: Final answer
x = 12,581,227.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.