Home / 20,238,121.35-30,346,684.43-7,452,044.55

Finding the Fourth Proportional to 20,238,121.35, 30,346,684.43 and 7,452,044.55

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Solution

The fourth proportional to 20,238,121.35, 30,346,684.43 and 7,452,044.55 is: 11,174,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,121.35 : 30,346,684.43 = 7,452,044.55 : x
  2. Step 2: Convert to fraction form
    20,238,121.35/30,346,684.43 = 7,452,044.55/x
  3. Step 3: Cross multiply
    20,238,121.35x = 30,346,684.43 × 7,452,044.55
  4. Step 4: Simplify right side
    20,238,121.35x = 226,144,844,279,891.12
  5. Step 5: Solve for x
    x = 226,144,844,279,891.12/20,238,121.35
  6. Step 6: Final answer
    x = 11,174,201.42

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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.