Home / 18,379,610.10-27,575,320.05-12,321,182.70

Finding the Fourth Proportional to 18,379,610.10, 27,575,320.05 and 12,321,182.70

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Solution

The fourth proportional to 18,379,610.10, 27,575,320.05 and 12,321,182.70 is: 18,485,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379,610.10 : 27,575,320.05 = 12,321,182.70 : x
  2. Step 2: Convert to fraction form
    18,379,610.10/27,575,320.05 = 12,321,182.70/x
  3. Step 3: Cross multiply
    18,379,610.10x = 27,575,320.05 × 12,321,182.70
  4. Step 4: Simplify right side
    18,379,610.10x = 339,760,556,347,023.12
  5. Step 5: Solve for x
    x = 339,760,556,347,023.12/18,379,610.10
  6. Step 6: Final answer
    x = 18,485,732.53

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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.