Home / 40,378,520.80-60,567,781.20-13,452,176.80

Finding the Fourth Proportional to 40,378,520.80, 60,567,781.20 and 13,452,176.80

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Solution

The fourth proportional to 40,378,520.80, 60,567,781.20 and 13,452,176.80 is: 20,178,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378,520.80 : 60,567,781.20 = 13,452,176.80 : x
  2. Step 2: Convert to fraction form
    40,378,520.80/60,567,781.20 = 13,452,176.80/x
  3. Step 3: Cross multiply
    40,378,520.80x = 60,567,781.20 × 13,452,176.80
  4. Step 4: Simplify right side
    40,378,520.80x = 814,768,501,086,116.25
  5. Step 5: Solve for x
    x = 814,768,501,086,116.25/40,378,520.80
  6. Step 6: Final answer
    x = 20,178,265.20

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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.