Home / 8,053,144.59-12,078,157.28-3,129,167.87

Finding the Fourth Proportional to 8,053,144.59, 12,078,157.28 and 3,129,167.87

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Solution

The fourth proportional to 8,053,144.59, 12,078,157.28 and 3,129,167.87 is: 4,693,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053,144.59 : 12,078,157.28 = 3,129,167.87 : x
  2. Step 2: Convert to fraction form
    8,053,144.59/12,078,157.28 = 3,129,167.87/x
  3. Step 3: Cross multiply
    8,053,144.59x = 12,078,157.28 × 3,129,167.87
  4. Step 4: Simplify right side
    8,053,144.59x = 37,794,581,613,345.97
  5. Step 5: Solve for x
    x = 37,794,581,613,345.97/8,053,144.59
  6. Step 6: Final answer
    x = 4,693,145.79

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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.