Home / 18,016,900.20-27,022,725.90-5,236,072.20

Finding the Fourth Proportional to 18,016,900.20, 27,022,725.90 and 5,236,072.20

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Solution

The fourth proportional to 18,016,900.20, 27,022,725.90 and 5,236,072.20 is: 7,853,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016,900.20 : 27,022,725.90 = 5,236,072.20 : x
  2. Step 2: Convert to fraction form
    18,016,900.20/27,022,725.90 = 5,236,072.20/x
  3. Step 3: Cross multiply
    18,016,900.20x = 27,022,725.90 × 5,236,072.20
  4. Step 4: Simplify right side
    18,016,900.20x = 141,492,943,853,209.97
  5. Step 5: Solve for x
    x = 141,492,943,853,209.97/18,016,900.20
  6. Step 6: Final answer
    x = 7,853,345.60

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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.