Home / 8,456,213.76-11,664,694.72-5,396,979.84

Finding the Fourth Proportional to 8,456,213.76, 11,664,694.72 and 5,396,979.84

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Solution

The fourth proportional to 8,456,213.76, 11,664,694.72 and 5,396,979.84 is: 7,444,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456,213.76 : 11,664,694.72 = 5,396,979.84 : x
  2. Step 2: Convert to fraction form
    8,456,213.76/11,664,694.72 = 5,396,979.84/x
  3. Step 3: Cross multiply
    8,456,213.76x = 11,664,694.72 × 5,396,979.84
  4. Step 4: Simplify right side
    8,456,213.76x = 62,954,122,243,594.45
  5. Step 5: Solve for x
    x = 62,954,122,243,594.45/8,456,213.76
  6. Step 6: Final answer
    x = 7,444,717.46

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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.