Home / 22,278,049.90-33,372,838.05-12,162,568.30

Finding the Fourth Proportional to 22,278,049.90, 33,372,838.05 and 12,162,568.30

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Solution

The fourth proportional to 22,278,049.90, 33,372,838.05 and 12,162,568.30 is: 18,219,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278,049.90 : 33,372,838.05 = 12,162,568.30 : x
  2. Step 2: Convert to fraction form
    22,278,049.90/33,372,838.05 = 12,162,568.30/x
  3. Step 3: Cross multiply
    22,278,049.90x = 33,372,838.05 × 12,162,568.30
  4. Step 4: Simplify right side
    22,278,049.90x = 405,899,422,147,963.88
  5. Step 5: Solve for x
    x = 405,899,422,147,963.88/22,278,049.90
  6. Step 6: Final answer
    x = 18,219,701.63

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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.