Home / 10,256,122.90-15,377,350.47-5,647,279.42

Finding the Fourth Proportional to 10,256,122.90, 15,377,350.47 and 5,647,279.42

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Solution

The fourth proportional to 10,256,122.90, 15,377,350.47 and 5,647,279.42 is: 8,467,156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256,122.90 : 15,377,350.47 = 5,647,279.42 : x
  2. Step 2: Convert to fraction form
    10,256,122.90/15,377,350.47 = 5,647,279.42/x
  3. Step 3: Cross multiply
    10,256,122.90x = 15,377,350.47 × 5,647,279.42
  4. Step 4: Simplify right side
    10,256,122.90x = 86,840,194,843,358.33
  5. Step 5: Solve for x
    x = 86,840,194,843,358.33/10,256,122.90
  6. Step 6: Final answer
    x = 8,467,156.22

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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.