Home / 18,979,568.28-28,463,464.23-6,847,454.58

Finding the Fourth Proportional to 18,979,568.28, 28,463,464.23 and 6,847,454.58

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Solution

The fourth proportional to 18,979,568.28, 28,463,464.23 and 6,847,454.58 is: 10,269,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,568.28 : 28,463,464.23 = 6,847,454.58 : x
  2. Step 2: Convert to fraction form
    18,979,568.28/28,463,464.23 = 6,847,454.58/x
  3. Step 3: Cross multiply
    18,979,568.28x = 28,463,464.23 × 6,847,454.58
  4. Step 4: Simplify right side
    18,979,568.28x = 194,902,278,504,379.69
  5. Step 5: Solve for x
    x = 194,902,278,504,379.69/18,979,568.28
  6. Step 6: Final answer
    x = 10,269,057.53

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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.