Home / 52,153,286.70-78,229,930.05-13,818,675.90

Finding the Fourth Proportional to 52,153,286.70, 78,229,930.05 and 13,818,675.90

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Solution

The fourth proportional to 52,153,286.70, 78,229,930.05 and 13,818,675.90 is: 20,728,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,153,286.70 : 78,229,930.05 = 13,818,675.90 : x
  2. Step 2: Convert to fraction form
    52,153,286.70/78,229,930.05 = 13,818,675.90/x
  3. Step 3: Cross multiply
    52,153,286.70x = 78,229,930.05 × 13,818,675.90
  4. Step 4: Simplify right side
    52,153,286.70x = 1,081,034,049,040,620.75
  5. Step 5: Solve for x
    x = 1,081,034,049,040,620.75/52,153,286.70
  6. Step 6: Final answer
    x = 20,728,013.85

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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.