Home / 52,327,538.25-78,485,318.28-13,992,041.72

Finding the Fourth Proportional to 52,327,538.25, 78,485,318.28 and 13,992,041.72

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Solution

The fourth proportional to 52,327,538.25, 78,485,318.28 and 13,992,041.72 is: 20,986,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,327,538.25 : 78,485,318.28 = 13,992,041.72 : x
  2. Step 2: Convert to fraction form
    52,327,538.25/78,485,318.28 = 13,992,041.72/x
  3. Step 3: Cross multiply
    52,327,538.25x = 78,485,318.28 × 13,992,041.72
  4. Step 4: Simplify right side
    52,327,538.25x = 1,098,169,847,781,238.75
  5. Step 5: Solve for x
    x = 1,098,169,847,781,238.75/52,327,538.25
  6. Step 6: Final answer
    x = 20,986,461.14

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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.