Home / 13,661,651.21-20,489,458.53-3,944,153.43

Finding the Fourth Proportional to 13,661,651.21, 20,489,458.53 and 3,944,153.43

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Solution

The fourth proportional to 13,661,651.21, 20,489,458.53 and 3,944,153.43 is: 5,915,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661,651.21 : 20,489,458.53 = 3,944,153.43 : x
  2. Step 2: Convert to fraction form
    13,661,651.21/20,489,458.53 = 3,944,153.43/x
  3. Step 3: Cross multiply
    13,661,651.21x = 20,489,458.53 × 3,944,153.43
  4. Step 4: Simplify right side
    13,661,651.21x = 80,813,568,074,920.36
  5. Step 5: Solve for x
    x = 80,813,568,074,920.36/13,661,651.21
  6. Step 6: Final answer
    x = 5,915,358.75

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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.