Home / 20,503,781.80-30,753,339.90-5,359,244.20

Finding the Fourth Proportional to 20,503,781.80, 30,753,339.90 and 5,359,244.20

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Solution

The fourth proportional to 20,503,781.80, 30,753,339.90 and 5,359,244.20 is: 8,038,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,781.80 : 30,753,339.90 = 5,359,244.20 : x
  2. Step 2: Convert to fraction form
    20,503,781.80/30,753,339.90 = 5,359,244.20/x
  3. Step 3: Cross multiply
    20,503,781.80x = 30,753,339.90 × 5,359,244.20
  4. Step 4: Simplify right side
    20,503,781.80x = 164,814,658,489,703.56
  5. Step 5: Solve for x
    x = 164,814,658,489,703.56/20,503,781.80
  6. Step 6: Final answer
    x = 8,038,256.56

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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.