Home / 43,844,390.40-65,766,585.60-13,555,315.20

Finding the Fourth Proportional to 43,844,390.40, 65,766,585.60 and 13,555,315.20

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Solution

The fourth proportional to 43,844,390.40, 65,766,585.60 and 13,555,315.20 is: 20,332,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,844,390.40 : 65,766,585.60 = 13,555,315.20 : x
  2. Step 2: Convert to fraction form
    43,844,390.40/65,766,585.60 = 13,555,315.20/x
  3. Step 3: Cross multiply
    43,844,390.40x = 65,766,585.60 × 13,555,315.20
  4. Step 4: Simplify right side
    43,844,390.40x = 891,486,797,435,781.12
  5. Step 5: Solve for x
    x = 891,486,797,435,781.12/43,844,390.40
  6. Step 6: Final answer
    x = 20,332,972.80

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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.