Home / 38,057,997-52,520,063.22-20,654,337.72

Finding the Fourth Proportional to 38,057,997, 52,520,063.22 and 20,654,337.72

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Solution

The fourth proportional to 38,057,997, 52,520,063.22 and 20,654,337.72 is: 28,503,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,057,997 : 52,520,063.22 = 20,654,337.72 : x
  2. Step 2: Convert to fraction form
    38,057,997/52,520,063.22 = 20,654,337.72/x
  3. Step 3: Cross multiply
    38,057,997x = 52,520,063.22 × 20,654,337.72
  4. Step 4: Simplify right side
    38,057,997x = 1,084,767,122,821,630.62
  5. Step 5: Solve for x
    x = 1,084,767,122,821,630.62/38,057,997
  6. Step 6: Final answer
    x = 28,503,000.90

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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.