Home / 8,215,755.53-12,324,754.25-3,422,323.79

Finding the Fourth Proportional to 8,215,755.53, 12,324,754.25 and 3,422,323.79

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Solution

The fourth proportional to 8,215,755.53, 12,324,754.25 and 3,422,323.79 is: 5,133,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,755.53 : 12,324,754.25 = 3,422,323.79 : x
  2. Step 2: Convert to fraction form
    8,215,755.53/12,324,754.25 = 3,422,323.79/x
  3. Step 3: Cross multiply
    8,215,755.53x = 12,324,754.25 × 3,422,323.79
  4. Step 4: Simplify right side
    8,215,755.53x = 42,179,299,596,943.22
  5. Step 5: Solve for x
    x = 42,179,299,596,943.22/8,215,755.53
  6. Step 6: Final answer
    x = 5,133,952.62

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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.