Home / 43,816,728.20-65,731,313.10-13,521,432.20

Finding the Fourth Proportional to 43,816,728.20, 65,731,313.10 and 13,521,432.20

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Solution

The fourth proportional to 43,816,728.20, 65,731,313.10 and 13,521,432.20 is: 20,284,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,816,728.20 : 65,731,313.10 = 13,521,432.20 : x
  2. Step 2: Convert to fraction form
    43,816,728.20/65,731,313.10 = 13,521,432.20/x
  3. Step 3: Cross multiply
    43,816,728.20x = 65,731,313.10 × 13,521,432.20
  4. Step 4: Simplify right side
    43,816,728.20x = 888,781,493,498,621.75
  5. Step 5: Solve for x
    x = 888,781,493,498,621.75/43,816,728.20
  6. Step 6: Final answer
    x = 20,284,067.98

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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.