Home / 18,979,565.78-28,463,460.48-6,847,452.08

Finding the Fourth Proportional to 18,979,565.78, 28,463,460.48 and 6,847,452.08

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Solution

The fourth proportional to 18,979,565.78, 28,463,460.48 and 6,847,452.08 is: 10,269,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,565.78 : 28,463,460.48 = 6,847,452.08 : x
  2. Step 2: Convert to fraction form
    18,979,565.78/28,463,460.48 = 6,847,452.08/x
  3. Step 3: Cross multiply
    18,979,565.78x = 28,463,460.48 × 6,847,452.08
  4. Step 4: Simplify right side
    18,979,565.78x = 194,902,181,667,773.81
  5. Step 5: Solve for x
    x = 194,902,181,667,773.81/18,979,565.78
  6. Step 6: Final answer
    x = 10,269,053.78

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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.