Finding the Fourth Proportional to 12,253,330.20, 18,385,900.20 and 8,651,341.20
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Solution
The fourth proportional to 12,253,330.20, 18,385,900.20 and 8,651,341.20 is: 12,981,180.90
Step by Step Solution
- Step 1: Write the proportion equation
12,253,330.20 : 18,385,900.20 = 8,651,341.20 : x - Step 2: Convert to fraction form
12,253,330.20/18,385,900.20 = 8,651,341.20/x - Step 3: Cross multiply
12,253,330.20x = 18,385,900.20 × 8,651,341.20 - Step 4: Simplify right side
12,253,330.20x = 159,062,695,899,348.22 - Step 5: Solve for x
x = 159,062,695,899,348.22/12,253,330.20 - Step 6: Final answer
x = 12,981,180.90
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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.