Finding the Fourth Proportional to 7,647,134.53, 10,553,324.12 and 4,162,305.00
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Solution
The fourth proportional to 7,647,134.53, 10,553,324.12 and 4,162,305.00 is: 5,744,132.47
Step by Step Solution
- Step 1: Write the proportion equation
7,647,134.53 : 10,553,324.12 = 4,162,305.00 : x - Step 2: Convert to fraction form
7,647,134.53/10,553,324.12 = 4,162,305.00/x - Step 3: Cross multiply
7,647,134.53x = 10,553,324.12 × 4,162,305.00 - Step 4: Simplify right side
7,647,134.53x = 43,926,153,714,507.52 - Step 5: Solve for x
x = 43,926,153,714,507.52/7,647,134.53 - Step 6: Final answer
x = 5,744,132.47
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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.