Home / 18,979,474.20-28,471,544.10-6,196,507.80

Finding the Fourth Proportional to 18,979,474.20, 28,471,544.10 and 6,196,507.80

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Solution

The fourth proportional to 18,979,474.20, 28,471,544.10 and 6,196,507.80 is: 9,295,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,474.20 : 28,471,544.10 = 6,196,507.80 : x
  2. Step 2: Convert to fraction form
    18,979,474.20/28,471,544.10 = 6,196,507.80/x
  3. Step 3: Cross multiply
    18,979,474.20x = 28,471,544.10 × 6,196,507.80
  4. Step 4: Simplify right side
    18,979,474.20x = 176,424,145,093,693.97
  5. Step 5: Solve for x
    x = 176,424,145,093,693.97/18,979,474.20
  6. Step 6: Final answer
    x = 9,295,523.32

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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.