Home / 22,712,777.85-31,342,447.86-12,397,508.04

Finding the Fourth Proportional to 22,712,777.85, 31,342,447.86 and 12,397,508.04

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Solution

The fourth proportional to 22,712,777.85, 31,342,447.86 and 12,397,508.04 is: 17,107,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712,777.85 : 31,342,447.86 = 12,397,508.04 : x
  2. Step 2: Convert to fraction form
    22,712,777.85/31,342,447.86 = 12,397,508.04/x
  3. Step 3: Cross multiply
    22,712,777.85x = 31,342,447.86 × 12,397,508.04
  4. Step 4: Simplify right side
    22,712,777.85x = 388,568,249,337,630.75
  5. Step 5: Solve for x
    x = 388,568,249,337,630.75/22,712,777.85
  6. Step 6: Final answer
    x = 17,107,913.96

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1.5x scale

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.