Home / 13,652,238.70-20,478,358.05-12,282,301.90

Finding the Fourth Proportional to 13,652,238.70, 20,478,358.05 and 12,282,301.90

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Solution

The fourth proportional to 13,652,238.70, 20,478,358.05 and 12,282,301.90 is: 18,423,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652,238.70 : 20,478,358.05 = 12,282,301.90 : x
  2. Step 2: Convert to fraction form
    13,652,238.70/20,478,358.05 = 12,282,301.90/x
  3. Step 3: Cross multiply
    13,652,238.70x = 20,478,358.05 × 12,282,301.90
  4. Step 4: Simplify right side
    13,652,238.70x = 251,521,375,986,395.31
  5. Step 5: Solve for x
    x = 251,521,375,986,395.31/13,652,238.70
  6. Step 6: Final answer
    x = 18,423,452.85

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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.