Home / 20,151,455.82-30,231,477.54-6,505,377.72

Finding the Fourth Proportional to 20,151,455.82, 30,231,477.54 and 6,505,377.72

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Solution

The fourth proportional to 20,151,455.82, 30,231,477.54 and 6,505,377.72 is: 9,759,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,455.82 : 30,231,477.54 = 6,505,377.72 : x
  2. Step 2: Convert to fraction form
    20,151,455.82/30,231,477.54 = 6,505,377.72/x
  3. Step 3: Cross multiply
    20,151,455.82x = 30,231,477.54 × 6,505,377.72
  4. Step 4: Simplify right side
    20,151,455.82x = 196,667,180,431,396.41
  5. Step 5: Solve for x
    x = 196,667,180,431,396.41/20,151,455.82
  6. Step 6: Final answer
    x = 9,759,452.73

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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.