Home / 36,948,815.92-50,991,143.16-20,428,634.80

Finding the Fourth Proportional to 36,948,815.92, 50,991,143.16 and 20,428,634.80

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Solution

The fourth proportional to 36,948,815.92, 50,991,143.16 and 20,428,634.80 is: 28,192,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,948,815.92 : 50,991,143.16 = 20,428,634.80 : x
  2. Step 2: Convert to fraction form
    36,948,815.92/50,991,143.16 = 20,428,634.80/x
  3. Step 3: Cross multiply
    36,948,815.92x = 50,991,143.16 × 20,428,634.80
  4. Step 4: Simplify right side
    36,948,815.92x = 1,041,679,441,650,157.88
  5. Step 5: Solve for x
    x = 1,041,679,441,650,157.88/36,948,815.92
  6. Step 6: Final answer
    x = 28,192,498.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.