Home / 9,117,416.97-12,582,335.45-4,987,353.69

Finding the Fourth Proportional to 9,117,416.97, 12,582,335.45 and 4,987,353.69

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Solution

The fourth proportional to 9,117,416.97, 12,582,335.45 and 4,987,353.69 is: 6,882,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117,416.97 : 12,582,335.45 = 4,987,353.69 : x
  2. Step 2: Convert to fraction form
    9,117,416.97/12,582,335.45 = 4,987,353.69/x
  3. Step 3: Cross multiply
    9,117,416.97x = 12,582,335.45 × 4,987,353.69
  4. Step 4: Simplify right side
    9,117,416.97x = 62,752,557,147,843.70
  5. Step 5: Solve for x
    x = 62,752,557,147,843.70/9,117,416.97
  6. Step 6: Final answer
    x = 6,882,712.21

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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.