Home / 12,882,523.50-17,777,919.34-7,375,982.82

Finding the Fourth Proportional to 12,882,523.50, 17,777,919.34 and 7,375,982.82

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Solution

The fourth proportional to 12,882,523.50, 17,777,919.34 and 7,375,982.82 is: 10,178,877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,523.50 : 17,777,919.34 = 7,375,982.82 : x
  2. Step 2: Convert to fraction form
    12,882,523.50/17,777,919.34 = 7,375,982.82/x
  3. Step 3: Cross multiply
    12,882,523.50x = 17,777,919.34 × 7,375,982.82
  4. Step 4: Simplify right side
    12,882,523.50x = 131,129,627,528,248.62
  5. Step 5: Solve for x
    x = 131,129,627,528,248.62/12,882,523.50
  6. Step 6: Final answer
    x = 10,178,877.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.