Home / 20,488,049.10-30,733,628.85-6,109,994.70

Finding the Fourth Proportional to 20,488,049.10, 30,733,628.85 and 6,109,994.70

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Solution

The fourth proportional to 20,488,049.10, 30,733,628.85 and 6,109,994.70 is: 9,165,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488,049.10 : 30,733,628.85 = 6,109,994.70 : x
  2. Step 2: Convert to fraction form
    20,488,049.10/30,733,628.85 = 6,109,994.70/x
  3. Step 3: Cross multiply
    20,488,049.10x = 30,733,628.85 × 6,109,994.70
  4. Step 4: Simplify right side
    20,488,049.10x = 187,782,309,385,267.12
  5. Step 5: Solve for x
    x = 187,782,309,385,267.12/20,488,049.10
  6. Step 6: Final answer
    x = 9,165,455.85

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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.