Home / 20,997,174.62-31,488,950.56-8,042,635.94

Finding the Fourth Proportional to 20,997,174.62, 31,488,950.56 and 8,042,635.94

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Solution

The fourth proportional to 20,997,174.62, 31,488,950.56 and 8,042,635.94 is: 12,061,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,174.62 : 31,488,950.56 = 8,042,635.94 : x
  2. Step 2: Convert to fraction form
    20,997,174.62/31,488,950.56 = 8,042,635.94/x
  3. Step 3: Cross multiply
    20,997,174.62x = 31,488,950.56 × 8,042,635.94
  4. Step 4: Simplify right side
    20,997,174.62x = 253,254,165,486,739.12
  5. Step 5: Solve for x
    x = 253,254,165,486,739.12/20,997,174.62
  6. Step 6: Final answer
    x = 12,061,344.92

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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.