Home / 20,063,793.90-27,690,399.27-11,915,031.90

Finding the Fourth Proportional to 20,063,793.90, 27,690,399.27 and 11,915,031.90

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Solution

The fourth proportional to 20,063,793.90, 27,690,399.27 and 11,915,031.90 is: 16,444,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,793.90 : 27,690,399.27 = 11,915,031.90 : x
  2. Step 2: Convert to fraction form
    20,063,793.90/27,690,399.27 = 11,915,031.90/x
  3. Step 3: Cross multiply
    20,063,793.90x = 27,690,399.27 × 11,915,031.90
  4. Step 4: Simplify right side
    20,063,793.90x = 329,931,990,625,786.69
  5. Step 5: Solve for x
    x = 329,931,990,625,786.69/20,063,793.90
  6. Step 6: Final answer
    x = 16,444,147.72

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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.