Home / 20,488,051.10-30,733,631.85-6,109,996.70

Finding the Fourth Proportional to 20,488,051.10, 30,733,631.85 and 6,109,996.70

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Solution

The fourth proportional to 20,488,051.10, 30,733,631.85 and 6,109,996.70 is: 9,165,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488,051.10 : 30,733,631.85 = 6,109,996.70 : x
  2. Step 2: Convert to fraction form
    20,488,051.10/30,733,631.85 = 6,109,996.70/x
  3. Step 3: Cross multiply
    20,488,051.10x = 30,733,631.85 × 6,109,996.70
  4. Step 4: Simplify right side
    20,488,051.10x = 187,782,389,182,514.91
  5. Step 5: Solve for x
    x = 187,782,389,182,514.91/20,488,051.10
  6. Step 6: Final answer
    x = 9,165,458.85

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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.