Home / 14,738,102.20-20,337,769.72-8,121,387.64

Finding the Fourth Proportional to 14,738,102.20, 20,337,769.72 and 8,121,387.64

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Solution

The fourth proportional to 14,738,102.20, 20,337,769.72 and 8,121,387.64 is: 11,207,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738,102.20 : 20,337,769.72 = 8,121,387.64 : x
  2. Step 2: Convert to fraction form
    14,738,102.20/20,337,769.72 = 8,121,387.64/x
  3. Step 3: Cross multiply
    14,738,102.20x = 20,337,769.72 × 8,121,387.64
  4. Step 4: Simplify right side
    14,738,102.20x = 165,170,911,629,174.25
  5. Step 5: Solve for x
    x = 165,170,911,629,174.25/14,738,102.20
  6. Step 6: Final answer
    x = 11,207,067.87

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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.