Home / 18,154,249.20-27,231,373.80-6,639,694.20

Finding the Fourth Proportional to 18,154,249.20, 27,231,373.80 and 6,639,694.20

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Solution

The fourth proportional to 18,154,249.20, 27,231,373.80 and 6,639,694.20 is: 9,959,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154,249.20 : 27,231,373.80 = 6,639,694.20 : x
  2. Step 2: Convert to fraction form
    18,154,249.20/27,231,373.80 = 6,639,694.20/x
  3. Step 3: Cross multiply
    18,154,249.20x = 27,231,373.80 × 6,639,694.20
  4. Step 4: Simplify right side
    18,154,249.20x = 180,807,994,677,891.97
  5. Step 5: Solve for x
    x = 180,807,994,677,891.97/18,154,249.20
  6. Step 6: Final answer
    x = 9,959,541.30

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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.