Finding the Fourth Proportional to 8,519,789.49, 12,770,218.17 and 6,491,346.08
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Solution
The fourth proportional to 8,519,789.49, 12,770,218.17 and 6,491,346.08 is: 9,729,806.79
Step by Step Solution
- Step 1: Write the proportion equation
8,519,789.49 : 12,770,218.17 = 6,491,346.08 : x - Step 2: Convert to fraction form
8,519,789.49/12,770,218.17 = 6,491,346.08/x - Step 3: Cross multiply
8,519,789.49x = 12,770,218.17 × 6,491,346.08 - Step 4: Simplify right side
8,519,789.49x = 82,895,905,594,723.19 - Step 5: Solve for x
x = 82,895,905,594,723.19/8,519,789.49 - Step 6: Final answer
x = 9,729,806.79
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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.