Home / 11,763,139.20-17,661,297.60-7,284,163.20

Finding the Fourth Proportional to 11,763,139.20, 17,661,297.60 and 7,284,163.20

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Solution

The fourth proportional to 11,763,139.20, 17,661,297.60 and 7,284,163.20 is: 10,936,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763,139.20 : 17,661,297.60 = 7,284,163.20 : x
  2. Step 2: Convert to fraction form
    11,763,139.20/17,661,297.60 = 7,284,163.20/x
  3. Step 3: Cross multiply
    11,763,139.20x = 17,661,297.60 × 7,284,163.20
  4. Step 4: Simplify right side
    11,763,139.20x = 128,647,774,042,168.33
  5. Step 5: Solve for x
    x = 128,647,774,042,168.33/11,763,139.20
  6. Step 6: Final answer
    x = 10,936,517.19

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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.