Home / 7,982,818.21-11,981,797.62-4,940,982.82

Finding the Fourth Proportional to 7,982,818.21, 11,981,797.62 and 4,940,982.82

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Solution

The fourth proportional to 7,982,818.21, 11,981,797.62 and 4,940,982.82 is: 7,416,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982,818.21 : 11,981,797.62 = 4,940,982.82 : x
  2. Step 2: Convert to fraction form
    7,982,818.21/11,981,797.62 = 4,940,982.82/x
  3. Step 3: Cross multiply
    7,982,818.21x = 11,981,797.62 × 4,940,982.82
  4. Step 4: Simplify right side
    7,982,818.21x = 59,201,856,193,136.89
  5. Step 5: Solve for x
    x = 59,201,856,193,136.89/7,982,818.21
  6. Step 6: Final answer
    x = 7,416,159.89

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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.