Home / 20,502,003.35-30,753,005.03-8,367,433.85

Finding the Fourth Proportional to 20,502,003.35, 30,753,005.03 and 8,367,433.85

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Solution

The fourth proportional to 20,502,003.35, 30,753,005.03 and 8,367,433.85 is: 12,551,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502,003.35 : 30,753,005.03 = 8,367,433.85 : x
  2. Step 2: Convert to fraction form
    20,502,003.35/30,753,005.03 = 8,367,433.85/x
  3. Step 3: Cross multiply
    20,502,003.35x = 30,753,005.03 × 8,367,433.85
  4. Step 4: Simplify right side
    20,502,003.35x = 257,323,735,277,242.25
  5. Step 5: Solve for x
    x = 257,323,735,277,242.25/20,502,003.35
  6. Step 6: Final answer
    x = 12,551,150.78

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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.