Home / 39,651,149.62-54,719,529.75-22,248,781.90

Finding the Fourth Proportional to 39,651,149.62, 54,719,529.75 and 22,248,781.90

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Solution

The fourth proportional to 39,651,149.62, 54,719,529.75 and 22,248,781.90 is: 30,703,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,651,149.62 : 54,719,529.75 = 22,248,781.90 : x
  2. Step 2: Convert to fraction form
    39,651,149.62/54,719,529.75 = 22,248,781.90/x
  3. Step 3: Cross multiply
    39,651,149.62x = 54,719,529.75 × 22,248,781.90
  4. Step 4: Simplify right side
    39,651,149.62x = 1,217,442,883,078,311.50
  5. Step 5: Solve for x
    x = 1,217,442,883,078,311.50/39,651,149.62
  6. Step 6: Final answer
    x = 30,703,848.31

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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.