Home / 8,215,750.18-12,324,746.22-3,422,318.43

Finding the Fourth Proportional to 8,215,750.18, 12,324,746.22 and 3,422,318.43

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Solution

The fourth proportional to 8,215,750.18, 12,324,746.22 and 3,422,318.43 is: 5,133,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,750.18 : 12,324,746.22 = 3,422,318.43 : x
  2. Step 2: Convert to fraction form
    8,215,750.18/12,324,746.22 = 3,422,318.43/x
  3. Step 3: Cross multiply
    8,215,750.18x = 12,324,746.22 × 3,422,318.43
  4. Step 4: Simplify right side
    8,215,750.18x = 42,179,206,133,778.84
  5. Step 5: Solve for x
    x = 42,179,206,133,778.84/8,215,750.18
  6. Step 6: Final answer
    x = 5,133,944.58

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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.