Home / 8,120,226.92-11,205,009.06-4,497,647.72

Finding the Fourth Proportional to 8,120,226.92, 11,205,009.06 and 4,497,647.72

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Solution

The fourth proportional to 8,120,226.92, 11,205,009.06 and 4,497,647.72 is: 6,206,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,226.92 : 11,205,009.06 = 4,497,647.72 : x
  2. Step 2: Convert to fraction form
    8,120,226.92/11,205,009.06 = 4,497,647.72/x
  3. Step 3: Cross multiply
    8,120,226.92x = 11,205,009.06 × 4,497,647.72
  4. Step 4: Simplify right side
    8,120,226.92x = 50,396,183,451,288.34
  5. Step 5: Solve for x
    x = 50,396,183,451,288.34/8,120,226.92
  6. Step 6: Final answer
    x = 6,206,253.09

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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.