Home / 8,383,717.20-12,575,575.80-8,147,521.20

Finding the Fourth Proportional to 8,383,717.20, 12,575,575.80 and 8,147,521.20

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Solution

The fourth proportional to 8,383,717.20, 12,575,575.80 and 8,147,521.20 is: 12,221,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383,717.20 : 12,575,575.80 = 8,147,521.20 : x
  2. Step 2: Convert to fraction form
    8,383,717.20/12,575,575.80 = 8,147,521.20/x
  3. Step 3: Cross multiply
    8,383,717.20x = 12,575,575.80 × 8,147,521.20
  4. Step 4: Simplify right side
    8,383,717.20x = 102,459,770,432,706.97
  5. Step 5: Solve for x
    x = 102,459,770,432,706.97/8,383,717.20
  6. Step 6: Final answer
    x = 12,221,281.80

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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.