Finding the Fourth Proportional to 55,207,434.20, 82,826,060.70 and 16,867,902.92
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Solution
The fourth proportional to 55,207,434.20, 82,826,060.70 and 16,867,902.92 is: 25,306,409.75
Step by Step Solution
- Step 1: Write the proportion equation
55,207,434.20 : 82,826,060.70 = 16,867,902.92 : x - Step 2: Convert to fraction form
55,207,434.20/82,826,060.70 = 16,867,902.92/x - Step 3: Cross multiply
55,207,434.20x = 82,826,060.70 × 16,867,902.92 - Step 4: Simplify right side
55,207,434.20x = 1,397,101,951,133,627.50 - Step 5: Solve for x
x = 1,397,101,951,133,627.50/55,207,434.20 - Step 6: Final answer
x = 25,306,409.75
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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.