Home / 8,682,651.36-11,981,273.72-4,815,160.56

Finding the Fourth Proportional to 8,682,651.36, 11,981,273.72 and 4,815,160.56

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Solution

The fourth proportional to 8,682,651.36, 11,981,273.72 and 4,815,160.56 is: 6,644,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,651.36 : 11,981,273.72 = 4,815,160.56 : x
  2. Step 2: Convert to fraction form
    8,682,651.36/11,981,273.72 = 4,815,160.56/x
  3. Step 3: Cross multiply
    8,682,651.36x = 11,981,273.72 × 4,815,160.56
  4. Step 4: Simplify right side
    8,682,651.36x = 57,691,756,675,108.48
  5. Step 5: Solve for x
    x = 57,691,756,675,108.48/8,682,651.36
  6. Step 6: Final answer
    x = 6,644,486.15

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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.