Home / 7,982,825.22-11,981,808.12-4,940,989.82

Finding the Fourth Proportional to 7,982,825.22, 11,981,808.12 and 4,940,989.82

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Solution

The fourth proportional to 7,982,825.22, 11,981,808.12 and 4,940,989.82 is: 7,416,170.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982,825.22 : 11,981,808.12 = 4,940,989.82 : x
  2. Step 2: Convert to fraction form
    7,982,825.22/11,981,808.12 = 4,940,989.82/x
  3. Step 3: Cross multiply
    7,982,825.22x = 11,981,808.12 × 4,940,989.82
  4. Step 4: Simplify right side
    7,982,825.22x = 59,201,991,946,113.34
  5. Step 5: Solve for x
    x = 59,201,991,946,113.34/7,982,825.22
  6. Step 6: Final answer
    x = 7,416,170.38

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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.