Finding the Fourth Proportional to 31,902,367.55, 44,025,446.57 and 18,151,331.67
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Solution
The fourth proportional to 31,902,367.55, 44,025,446.57 and 18,151,331.67 is: 25,048,939.75
Step by Step Solution
- Step 1: Write the proportion equation
31,902,367.55 : 44,025,446.57 = 18,151,331.67 : x - Step 2: Convert to fraction form
31,902,367.55/44,025,446.57 = 18,151,331.67/x - Step 3: Cross multiply
31,902,367.55x = 44,025,446.57 × 18,151,331.67 - Step 4: Simplify right side
31,902,367.55x = 799,120,482,521,177.25 - Step 5: Solve for x
x = 799,120,482,521,177.25/31,902,367.55 - Step 6: Final answer
x = 25,048,939.75
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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.