Home / 8,672,658.42-13,027,759.38-5,638,463.82

Finding the Fourth Proportional to 8,672,658.42, 13,027,759.38 and 5,638,463.82

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Solution

The fourth proportional to 8,672,658.42, 13,027,759.38 and 5,638,463.82 is: 8,469,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672,658.42 : 13,027,759.38 = 5,638,463.82 : x
  2. Step 2: Convert to fraction form
    8,672,658.42/13,027,759.38 = 5,638,463.82/x
  3. Step 3: Cross multiply
    8,672,658.42x = 13,027,759.38 × 5,638,463.82
  4. Step 4: Simplify right side
    8,672,658.42x = 73,456,549,919,795.64
  5. Step 5: Solve for x
    x = 73,456,549,919,795.64/8,672,658.42
  6. Step 6: Final answer
    x = 8,469,900.04

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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.