Home / 52,488,007.20-78,732,010.80-26,659,974.60

Finding the Fourth Proportional to 52,488,007.20, 78,732,010.80 and 26,659,974.60

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Solution

The fourth proportional to 52,488,007.20, 78,732,010.80 and 26,659,974.60 is: 39,989,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,007.20 : 78,732,010.80 = 26,659,974.60 : x
  2. Step 2: Convert to fraction form
    52,488,007.20/78,732,010.80 = 26,659,974.60/x
  3. Step 3: Cross multiply
    52,488,007.20x = 78,732,010.80 × 26,659,974.60
  4. Step 4: Simplify right side
    52,488,007.20x = 2,098,993,408,134,925.75
  5. Step 5: Solve for x
    x = 2,098,993,408,134,925.75/52,488,007.20
  6. Step 6: Final answer
    x = 39,989,961.90

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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.