Home / 8,682,442.80-11,981,803.32-4,815,321.36

Finding the Fourth Proportional to 8,682,442.80, 11,981,803.32 and 4,815,321.36

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Solution

The fourth proportional to 8,682,442.80, 11,981,803.32 and 4,815,321.36 is: 6,645,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,442.80 : 11,981,803.32 = 4,815,321.36 : x
  2. Step 2: Convert to fraction form
    8,682,442.80/11,981,803.32 = 4,815,321.36/x
  3. Step 3: Cross multiply
    8,682,442.80x = 11,981,803.32 × 4,815,321.36
  4. Step 4: Simplify right side
    8,682,442.80x = 57,696,233,458,114.92
  5. Step 5: Solve for x
    x = 57,696,233,458,114.92/8,682,442.80
  6. Step 6: Final answer
    x = 6,645,161.37

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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.