Finding the Fourth Proportional to 8,577,091.80, 12,853,827.90 and 5,690,251.80
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Solution
The fourth proportional to 8,577,091.80, 12,853,827.90 and 5,690,251.80 is: 8,527,542.79
Step by Step Solution
- Step 1: Write the proportion equation
8,577,091.80 : 12,853,827.90 = 5,690,251.80 : x - Step 2: Convert to fraction form
8,577,091.80/12,853,827.90 = 5,690,251.80/x - Step 3: Cross multiply
8,577,091.80x = 12,853,827.90 × 5,690,251.80 - Step 4: Simplify right side
8,577,091.80x = 73,141,517,344,865.22 - Step 5: Solve for x
x = 73,141,517,344,865.22/8,577,091.80 - Step 6: Final answer
x = 8,527,542.79
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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.