Home / 12,263,659.12-18,398,336.13-4,176,704.78

Finding the Fourth Proportional to 12,263,659.12, 18,398,336.13 and 4,176,704.78

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Solution

The fourth proportional to 12,263,659.12, 18,398,336.13 and 4,176,704.78 is: 6,266,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263,659.12 : 18,398,336.13 = 4,176,704.78 : x
  2. Step 2: Convert to fraction form
    12,263,659.12/18,398,336.13 = 4,176,704.78/x
  3. Step 3: Cross multiply
    12,263,659.12x = 18,398,336.13 × 4,176,704.78
  4. Step 4: Simplify right side
    12,263,659.12x = 76,844,418,458,217.69
  5. Step 5: Solve for x
    x = 76,844,418,458,217.69/12,263,659.12
  6. Step 6: Final answer
    x = 6,266,026.94

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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.