Home / 8,578,083.78-11,840,412.78-5,522,298

Finding the Fourth Proportional to 8,578,083.78, 11,840,412.78 and 5,522,298

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Solution

The fourth proportional to 8,578,083.78, 11,840,412.78 and 5,522,298 is: 7,622,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,083.78 : 11,840,412.78 = 5,522,298 : x
  2. Step 2: Convert to fraction form
    8,578,083.78/11,840,412.78 = 5,522,298/x
  3. Step 3: Cross multiply
    8,578,083.78x = 11,840,412.78 × 5,522,298
  4. Step 4: Simplify right side
    8,578,083.78x = 65,386,287,814,168.44
  5. Step 5: Solve for x
    x = 65,386,287,814,168.44/8,578,083.78
  6. Step 6: Final answer
    x = 7,622,481.84

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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.