Home / 8,120,228.92-11,205,011.82-4,497,649.72

Finding the Fourth Proportional to 8,120,228.92, 11,205,011.82 and 4,497,649.72

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Solution

The fourth proportional to 8,120,228.92, 11,205,011.82 and 4,497,649.72 is: 6,206,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,228.92 : 11,205,011.82 = 4,497,649.72 : x
  2. Step 2: Convert to fraction form
    8,120,228.92/11,205,011.82 = 4,497,649.72/x
  3. Step 3: Cross multiply
    8,120,228.92x = 11,205,011.82 × 4,497,649.72
  4. Step 4: Simplify right side
    8,120,228.92x = 50,396,218,274,819.69
  5. Step 5: Solve for x
    x = 50,396,218,274,819.69/8,120,228.92
  6. Step 6: Final answer
    x = 6,206,255.85

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1.5x scale

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.