Finding the Fourth Proportional to 15,204,868.20, 22,807,535.58 and 5,107,576.68
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Solution
The fourth proportional to 15,204,868.20, 22,807,535.58 and 5,107,576.68 is: 7,661,443.38
Step by Step Solution
- Step 1: Write the proportion equation
15,204,868.20 : 22,807,535.58 = 5,107,576.68 : x - Step 2: Convert to fraction form
15,204,868.20/22,807,535.58 = 5,107,576.68/x - Step 3: Cross multiply
15,204,868.20x = 22,807,535.58 × 5,107,576.68 - Step 4: Simplify right side
15,204,868.20x = 116,491,236,856,678.27 - Step 5: Solve for x
x = 116,491,236,856,678.27/15,204,868.20 - Step 6: Final answer
x = 7,661,443.38
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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.