Home / 18,246,986.11-25,178,132.23-11,082,469.69

Finding the Fourth Proportional to 18,246,986.11, 25,178,132.23 and 11,082,469.69

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Solution

The fourth proportional to 18,246,986.11, 25,178,132.23 and 11,082,469.69 is: 15,292,163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246,986.11 : 25,178,132.23 = 11,082,469.69 : x
  2. Step 2: Convert to fraction form
    18,246,986.11/25,178,132.23 = 11,082,469.69/x
  3. Step 3: Cross multiply
    18,246,986.11x = 25,178,132.23 × 11,082,469.69
  4. Step 4: Simplify right side
    18,246,986.11x = 279,035,887,289,787.09
  5. Step 5: Solve for x
    x = 279,035,887,289,787.09/18,246,986.11
  6. Step 6: Final answer
    x = 15,292,163.08

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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.