Home / 34,159,103.24-47,134,906.98-20,405,147.72

Finding the Fourth Proportional to 34,159,103.24, 47,134,906.98 and 20,405,147.72

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Solution

The fourth proportional to 34,159,103.24, 47,134,906.98 and 20,405,147.72 is: 28,156,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,159,103.24 : 47,134,906.98 = 20,405,147.72 : x
  2. Step 2: Convert to fraction form
    34,159,103.24/47,134,906.98 = 20,405,147.72/x
  3. Step 3: Cross multiply
    34,159,103.24x = 47,134,906.98 × 20,405,147.72
  4. Step 4: Simplify right side
    34,159,103.24x = 961,794,739,695,359
  5. Step 5: Solve for x
    x = 961,794,739,695,359/34,159,103.24
  6. Step 6: Final answer
    x = 28,156,322.87

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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.