Finding the Fourth Proportional to 8,982,686.80, 13,474,088.55 and 3,591,790.12
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Solution
The fourth proportional to 8,982,686.80, 13,474,088.55 and 3,591,790.12 is: 5,387,708.51
Step by Step Solution
- Step 1: Write the proportion equation
8,982,686.80 : 13,474,088.55 = 3,591,790.12 : x - Step 2: Convert to fraction form
8,982,686.80/13,474,088.55 = 3,591,790.12/x - Step 3: Cross multiply
8,982,686.80x = 13,474,088.55 × 3,591,790.12 - Step 4: Simplify right side
8,982,686.80x = 48,396,098,129,895.13 - Step 5: Solve for x
x = 48,396,098,129,895.13/8,982,686.80 - Step 6: Final answer
x = 5,387,708.51
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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.