Home / 8,731,150.52-13,086,794.34-5,311,899.86

Finding the Fourth Proportional to 8,731,150.52, 13,086,794.34 and 5,311,899.86

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Solution

The fourth proportional to 8,731,150.52, 13,086,794.34 and 5,311,899.86 is: 7,961,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,150.52 : 13,086,794.34 = 5,311,899.86 : x
  2. Step 2: Convert to fraction form
    8,731,150.52/13,086,794.34 = 5,311,899.86/x
  3. Step 3: Cross multiply
    8,731,150.52x = 13,086,794.34 × 5,311,899.86
  4. Step 4: Simplify right side
    8,731,150.52x = 69,515,741,022,494.80
  5. Step 5: Solve for x
    x = 69,515,741,022,494.80/8,731,150.52
  6. Step 6: Final answer
    x = 7,961,807.65

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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.