Finding the Fourth Proportional to 18,960,405.87, 26,165,174.08 and 10,258,387.55
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Solution
The fourth proportional to 18,960,405.87, 26,165,174.08 and 10,258,387.55 is: 14,156,474.17
Step by Step Solution
- Step 1: Write the proportion equation
18,960,405.87 : 26,165,174.08 = 10,258,387.55 : x - Step 2: Convert to fraction form
18,960,405.87/26,165,174.08 = 10,258,387.55/x - Step 3: Cross multiply
18,960,405.87x = 26,165,174.08 × 10,258,387.55 - Step 4: Simplify right side
18,960,405.87x = 268,412,496,025,854.72 - Step 5: Solve for x
x = 268,412,496,025,854.72/18,960,405.87 - Step 6: Final answer
x = 14,156,474.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.