Home / 18,273,993.98-25,229,578.55-11,758,945.86

Finding the Fourth Proportional to 18,273,993.98, 25,229,578.55 and 11,758,945.86

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Solution

The fourth proportional to 18,273,993.98, 25,229,578.55 and 11,758,945.86 is: 16,234,723.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273,993.98 : 25,229,578.55 = 11,758,945.86 : x
  2. Step 2: Convert to fraction form
    18,273,993.98/25,229,578.55 = 11,758,945.86/x
  3. Step 3: Cross multiply
    18,273,993.98x = 25,229,578.55 × 11,758,945.86
  4. Step 4: Simplify right side
    18,273,993.98x = 296,673,248,181,272.56
  5. Step 5: Solve for x
    x = 296,673,248,181,272.56/18,273,993.98
  6. Step 6: Final answer
    x = 16,234,723.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.