Home / 20,274,867.08-27,979,083.42-10,982,261.96

Finding the Fourth Proportional to 20,274,867.08, 27,979,083.42 and 10,982,261.96

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Solution

The fourth proportional to 20,274,867.08, 27,979,083.42 and 10,982,261.96 is: 15,155,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274,867.08 : 27,979,083.42 = 10,982,261.96 : x
  2. Step 2: Convert to fraction form
    20,274,867.08/27,979,083.42 = 10,982,261.96/x
  3. Step 3: Cross multiply
    20,274,867.08x = 27,979,083.42 × 10,982,261.96
  4. Step 4: Simplify right side
    20,274,867.08x = 307,273,623,519,132.75
  5. Step 5: Solve for x
    x = 307,273,623,519,132.75/20,274,867.08
  6. Step 6: Final answer
    x = 15,155,395.21

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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.