Home / 20,640,083.78-30,960,131.13-6,067,003.83

Finding the Fourth Proportional to 20,640,083.78, 30,960,131.13 and 6,067,003.83

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Solution

The fourth proportional to 20,640,083.78, 30,960,131.13 and 6,067,003.83 is: 9,100,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,640,083.78 : 30,960,131.13 = 6,067,003.83 : x
  2. Step 2: Convert to fraction form
    20,640,083.78/30,960,131.13 = 6,067,003.83/x
  3. Step 3: Cross multiply
    20,640,083.78x = 30,960,131.13 × 6,067,003.83
  4. Step 4: Simplify right side
    20,640,083.78x = 187,835,234,143,012.22
  5. Step 5: Solve for x
    x = 187,835,234,143,012.22/20,640,083.78
  6. Step 6: Final answer
    x = 9,100,507.35

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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.