Home / 8,215,747.73-12,324,742.54-3,422,315.98

Finding the Fourth Proportional to 8,215,747.73, 12,324,742.54 and 3,422,315.98

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Solution

The fourth proportional to 8,215,747.73, 12,324,742.54 and 3,422,315.98 is: 5,133,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,747.73 : 12,324,742.54 = 3,422,315.98 : x
  2. Step 2: Convert to fraction form
    8,215,747.73/12,324,742.54 = 3,422,315.98/x
  3. Step 3: Cross multiply
    8,215,747.73x = 12,324,742.54 × 3,422,315.98
  4. Step 4: Simplify right side
    8,215,747.73x = 42,179,163,304,660.14
  5. Step 5: Solve for x
    x = 42,179,163,304,660.14/8,215,747.73
  6. Step 6: Final answer
    x = 5,133,940.90

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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.