Home / 8,053,126.59-12,078,130.26-3,129,149.85

Finding the Fourth Proportional to 8,053,126.59, 12,078,130.26 and 3,129,149.85

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Solution

The fourth proportional to 8,053,126.59, 12,078,130.26 and 3,129,149.85 is: 4,693,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053,126.59 : 12,078,130.26 = 3,129,149.85 : x
  2. Step 2: Convert to fraction form
    8,053,126.59/12,078,130.26 = 3,129,149.85/x
  3. Step 3: Cross multiply
    8,053,126.59x = 12,078,130.26 × 3,129,149.85
  4. Step 4: Simplify right side
    8,053,126.59x = 37,794,279,491,359.46
  5. Step 5: Solve for x
    x = 37,794,279,491,359.46/8,053,126.59
  6. Step 6: Final answer
    x = 4,693,118.76

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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.