Home / 18,468,167.76-27,700,937.82-5,687,339.76

Finding the Fourth Proportional to 18,468,167.76, 27,700,937.82 and 5,687,339.76

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Solution

The fourth proportional to 18,468,167.76, 27,700,937.82 and 5,687,339.76 is: 8,530,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,167.76 : 27,700,937.82 = 5,687,339.76 : x
  2. Step 2: Convert to fraction form
    18,468,167.76/27,700,937.82 = 5,687,339.76/x
  3. Step 3: Cross multiply
    18,468,167.76x = 27,700,937.82 × 5,687,339.76
  4. Step 4: Simplify right side
    18,468,167.76x = 157,544,645,052,973.72
  5. Step 5: Solve for x
    x = 157,544,645,052,973.72/18,468,167.76
  6. Step 6: Final answer
    x = 8,530,605.04

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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.