Home / 12,667,101.61-17,482,467.99-8,021,310.82

Finding the Fourth Proportional to 12,667,101.61, 17,482,467.99 and 8,021,310.82

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Solution

The fourth proportional to 12,667,101.61, 17,482,467.99 and 8,021,310.82 is: 11,070,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667,101.61 : 17,482,467.99 = 8,021,310.82 : x
  2. Step 2: Convert to fraction form
    12,667,101.61/17,482,467.99 = 8,021,310.82/x
  3. Step 3: Cross multiply
    12,667,101.61x = 17,482,467.99 × 8,021,310.82
  4. Step 4: Simplify right side
    12,667,101.61x = 140,232,309,648,490.64
  5. Step 5: Solve for x
    x = 140,232,309,648,490.64/12,667,101.61
  6. Step 6: Final answer
    x = 11,070,591.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.