Finding the Fourth Proportional to 16,279,430.10, 24,419,145.15 and 4,921,631.70
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Solution
The fourth proportional to 16,279,430.10, 24,419,145.15 and 4,921,631.70 is: 7,382,447.55
Step by Step Solution
- Step 1: Write the proportion equation
16,279,430.10 : 24,419,145.15 = 4,921,631.70 : x - Step 2: Convert to fraction form
16,279,430.10/24,419,145.15 = 4,921,631.70/x - Step 3: Cross multiply
16,279,430.10x = 24,419,145.15 × 4,921,631.70 - Step 4: Simplify right side
16,279,430.10x = 120,182,038,857,141.25 - Step 5: Solve for x
x = 120,182,038,857,141.25/16,279,430.10 - Step 6: Final answer
x = 7,382,447.55
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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.