Home / 12,211,610.40-18,320,072.40-3,691,724.40

Finding the Fourth Proportional to 12,211,610.40, 18,320,072.40 and 3,691,724.40

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Solution

The fourth proportional to 12,211,610.40, 18,320,072.40 and 3,691,724.40 is: 5,538,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211,610.40 : 18,320,072.40 = 3,691,724.40 : x
  2. Step 2: Convert to fraction form
    12,211,610.40/18,320,072.40 = 3,691,724.40/x
  3. Step 3: Cross multiply
    12,211,610.40x = 18,320,072.40 × 3,691,724.40
  4. Step 4: Simplify right side
    12,211,610.40x = 67,632,658,288,846.55
  5. Step 5: Solve for x
    x = 67,632,658,288,846.55/12,211,610.40
  6. Step 6: Final answer
    x = 5,538,389.78

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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.