Home / 12,609,653.76-18,917,310.24-3,856,697.64

Finding the Fourth Proportional to 12,609,653.76, 18,917,310.24 and 3,856,697.64

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Solution

The fourth proportional to 12,609,653.76, 18,917,310.24 and 3,856,697.64 is: 5,785,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609,653.76 : 18,917,310.24 = 3,856,697.64 : x
  2. Step 2: Convert to fraction form
    12,609,653.76/18,917,310.24 = 3,856,697.64/x
  3. Step 3: Cross multiply
    12,609,653.76x = 18,917,310.24 × 3,856,697.64
  4. Step 4: Simplify right side
    12,609,653.76x = 72,958,345,757,755.83
  5. Step 5: Solve for x
    x = 72,958,345,757,755.83/12,609,653.76
  6. Step 6: Final answer
    x = 5,785,911.90

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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.