Home / 39,131,087.20-58,704,925.20-11,835,138.40

Finding the Fourth Proportional to 39,131,087.20, 58,704,925.20 and 11,835,138.40

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Solution

The fourth proportional to 39,131,087.20, 58,704,925.20 and 11,835,138.40 is: 17,755,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131,087.20 : 58,704,925.20 = 11,835,138.40 : x
  2. Step 2: Convert to fraction form
    39,131,087.20/58,704,925.20 = 11,835,138.40/x
  3. Step 3: Cross multiply
    39,131,087.20x = 58,704,925.20 × 11,835,138.40
  4. Step 4: Simplify right side
    39,131,087.20x = 694,780,914,503,647.75
  5. Step 5: Solve for x
    x = 694,780,914,503,647.75/39,131,087.20
  6. Step 6: Final answer
    x = 17,755,216.23

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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.