Home / 39,131,078.20-58,704,911.70-11,835,129.40

Finding the Fourth Proportional to 39,131,078.20, 58,704,911.70 and 11,835,129.40

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Solution

The fourth proportional to 39,131,078.20, 58,704,911.70 and 11,835,129.40 is: 17,755,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131,078.20 : 58,704,911.70 = 11,835,129.40 : x
  2. Step 2: Convert to fraction form
    39,131,078.20/58,704,911.70 = 11,835,129.40/x
  3. Step 3: Cross multiply
    39,131,078.20x = 58,704,911.70 × 11,835,129.40
  4. Step 4: Simplify right side
    39,131,078.20x = 694,780,226,385,074
  5. Step 5: Solve for x
    x = 694,780,226,385,074/39,131,078.20
  6. Step 6: Final answer
    x = 17,755,202.73

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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.