Home / 12,250,249.92-18,378,031.68-3,730,363.20

Finding the Fourth Proportional to 12,250,249.92, 18,378,031.68 and 3,730,363.20

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Solution

The fourth proportional to 12,250,249.92, 18,378,031.68 and 3,730,363.20 is: 5,596,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250,249.92 : 18,378,031.68 = 3,730,363.20 : x
  2. Step 2: Convert to fraction form
    12,250,249.92/18,378,031.68 = 3,730,363.20/x
  3. Step 3: Cross multiply
    12,250,249.92x = 18,378,031.68 × 3,730,363.20
  4. Step 4: Simplify right side
    12,250,249.92x = 68,556,733,067,506.18
  5. Step 5: Solve for x
    x = 68,556,733,067,506.18/12,250,249.92
  6. Step 6: Final answer
    x = 5,596,353.83

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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.