Home / 12,264,738.90-18,399,801.15-3,628,163.22

Finding the Fourth Proportional to 12,264,738.90, 18,399,801.15 and 3,628,163.22

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Solution

The fourth proportional to 12,264,738.90, 18,399,801.15 and 3,628,163.22 is: 5,443,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264,738.90 : 18,399,801.15 = 3,628,163.22 : x
  2. Step 2: Convert to fraction form
    12,264,738.90/18,399,801.15 = 3,628,163.22/x
  3. Step 3: Cross multiply
    12,264,738.90x = 18,399,801.15 × 3,628,163.22
  4. Step 4: Simplify right side
    12,264,738.90x = 66,757,481,787,743.70
  5. Step 5: Solve for x
    x = 66,757,481,787,743.70/12,264,738.90
  6. Step 6: Final answer
    x = 5,443,041.42

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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.