Finding the Fourth Proportional to 7,576,377.92, 10,455,229.68 and 4,138,634.24
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Solution
The fourth proportional to 7,576,377.92, 10,455,229.68 and 4,138,634.24 is: 5,711,221.38
Step by Step Solution
- Step 1: Write the proportion equation
7,576,377.92 : 10,455,229.68 = 4,138,634.24 : x - Step 2: Convert to fraction form
7,576,377.92/10,455,229.68 = 4,138,634.24/x - Step 3: Cross multiply
7,576,377.92x = 10,455,229.68 × 4,138,634.24 - Step 4: Simplify right side
7,576,377.92x = 43,270,371,540,712.24 - Step 5: Solve for x
x = 43,270,371,540,712.24/7,576,377.92 - Step 6: Final answer
x = 5,711,221.38
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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.