Home / 18,109,836.03-27,161,801.13-5,327,351.31

Finding the Fourth Proportional to 18,109,836.03, 27,161,801.13 and 5,327,351.31

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Solution

The fourth proportional to 18,109,836.03, 27,161,801.13 and 5,327,351.31 is: 7,990,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109,836.03 : 27,161,801.13 = 5,327,351.31 : x
  2. Step 2: Convert to fraction form
    18,109,836.03/27,161,801.13 = 5,327,351.31/x
  3. Step 3: Cross multiply
    18,109,836.03x = 27,161,801.13 × 5,327,351.31
  4. Step 4: Simplify right side
    18,109,836.03x = 144,700,456,831,864.97
  5. Step 5: Solve for x
    x = 144,700,456,831,864.97/18,109,836.03
  6. Step 6: Final answer
    x = 7,990,158.31

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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.