Home / 18,659,737.86-28,002,218.14-6,529,306.40

Finding the Fourth Proportional to 18,659,737.86, 28,002,218.14 and 6,529,306.40

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Solution

The fourth proportional to 18,659,737.86, 28,002,218.14 and 6,529,306.40 is: 9,798,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659,737.86 : 28,002,218.14 = 6,529,306.40 : x
  2. Step 2: Convert to fraction form
    18,659,737.86/28,002,218.14 = 6,529,306.40/x
  3. Step 3: Cross multiply
    18,659,737.86x = 28,002,218.14 × 6,529,306.40
  4. Step 4: Simplify right side
    18,659,737.86x = 182,835,062,115,698.12
  5. Step 5: Solve for x
    x = 182,835,062,115,698.12/18,659,737.86
  6. Step 6: Final answer
    x = 9,798,372.49

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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.