Finding the Fourth Proportional to 10,332,613.44, 15,498,933.12 and 4,939,996.32
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Solution
The fourth proportional to 10,332,613.44, 15,498,933.12 and 4,939,996.32 is: 7,410,000.68
Step by Step Solution
- Step 1: Write the proportion equation
10,332,613.44 : 15,498,933.12 = 4,939,996.32 : x - Step 2: Convert to fraction form
10,332,613.44/15,498,933.12 = 4,939,996.32/x - Step 3: Cross multiply
10,332,613.44x = 15,498,933.12 × 4,939,996.32 - Step 4: Simplify right side
10,332,613.44x = 76,564,672,576,726.12 - Step 5: Solve for x
x = 76,564,672,576,726.12/10,332,613.44 - Step 6: Final answer
x = 7,410,000.68
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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.