Finding the Fourth Proportional to 18,020,635.20, 24,868,278.24 and 9,760,491.84
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Solution
The fourth proportional to 18,020,635.20, 24,868,278.24 and 9,760,491.84 is: 13,469,371.31
Step by Step Solution
- Step 1: Write the proportion equation
18,020,635.20 : 24,868,278.24 = 9,760,491.84 : x - Step 2: Convert to fraction form
18,020,635.20/24,868,278.24 = 9,760,491.84/x - Step 3: Cross multiply
18,020,635.20x = 24,868,278.24 × 9,760,491.84 - Step 4: Simplify right side
18,020,635.20x = 242,726,626,836,369.53 - Step 5: Solve for x
x = 242,726,626,836,369.53/18,020,635.20 - Step 6: Final answer
x = 13,469,371.31
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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.