Home / 8,002,019.78-12,003,545.44-2,813,992.87

Finding the Fourth Proportional to 8,002,019.78, 12,003,545.44 and 2,813,992.87

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Solution

The fourth proportional to 8,002,019.78, 12,003,545.44 and 2,813,992.87 is: 4,221,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002,019.78 : 12,003,545.44 = 2,813,992.87 : x
  2. Step 2: Convert to fraction form
    8,002,019.78/12,003,545.44 = 2,813,992.87/x
  3. Step 3: Cross multiply
    8,002,019.78x = 12,003,545.44 × 2,813,992.87
  4. Step 4: Simplify right side
    8,002,019.78x = 33,777,891,286,809.23
  5. Step 5: Solve for x
    x = 33,777,891,286,809.23/8,002,019.78
  6. Step 6: Final answer
    x = 4,221,170.68

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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.