Home / 7,986,765.73-11,985,539.06-3,128,469.61

Finding the Fourth Proportional to 7,986,765.73, 11,985,539.06 and 3,128,469.61

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Solution

The fourth proportional to 7,986,765.73, 11,985,539.06 and 3,128,469.61 is: 4,694,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986,765.73 : 11,985,539.06 = 3,128,469.61 : x
  2. Step 2: Convert to fraction form
    7,986,765.73/11,985,539.06 = 3,128,469.61/x
  3. Step 3: Cross multiply
    7,986,765.73x = 11,985,539.06 × 3,128,469.61
  4. Step 4: Simplify right side
    7,986,765.73x = 37,496,394,748,946.42
  5. Step 5: Solve for x
    x = 37,496,394,748,946.42/7,986,765.73
  6. Step 6: Final answer
    x = 4,694,815.90

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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.