Home / 18,979,563.25-28,463,456.71-6,847,449.54

Finding the Fourth Proportional to 18,979,563.25, 28,463,456.71 and 6,847,449.54

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Solution

The fourth proportional to 18,979,563.25, 28,463,456.71 and 6,847,449.54 is: 10,269,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,563.25 : 28,463,456.71 = 6,847,449.54 : x
  2. Step 2: Convert to fraction form
    18,979,563.25/28,463,456.71 = 6,847,449.54/x
  3. Step 3: Cross multiply
    18,979,563.25x = 28,463,456.71 × 6,847,449.54
  4. Step 4: Simplify right side
    18,979,563.25x = 194,902,083,555,699.41
  5. Step 5: Solve for x
    x = 194,902,083,555,699.41/18,979,563.25
  6. Step 6: Final answer
    x = 10,269,049.98

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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.