Home / 40,933,429.60-61,358,810.10-20,431,616.80

Finding the Fourth Proportional to 40,933,429.60, 61,358,810.10 and 20,431,616.80

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Solution

The fourth proportional to 40,933,429.60, 61,358,810.10 and 20,431,616.80 is: 30,626,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,933,429.60 : 61,358,810.10 = 20,431,616.80 : x
  2. Step 2: Convert to fraction form
    40,933,429.60/61,358,810.10 = 20,431,616.80/x
  3. Step 3: Cross multiply
    40,933,429.60x = 61,358,810.10 × 20,431,616.80
  4. Step 4: Simplify right side
    40,933,429.60x = 1,253,659,695,267,169.75
  5. Step 5: Solve for x
    x = 1,253,659,695,267,169.75/40,933,429.60
  6. Step 6: Final answer
    x = 30,626,793.49

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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.