Home / 12,787,932.60-19,181,456.64-3,203,393.76

Finding the Fourth Proportional to 12,787,932.60, 19,181,456.64 and 3,203,393.76

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Solution

The fourth proportional to 12,787,932.60, 19,181,456.64 and 3,203,393.76 is: 4,804,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,932.60 : 19,181,456.64 = 3,203,393.76 : x
  2. Step 2: Convert to fraction form
    12,787,932.60/19,181,456.64 = 3,203,393.76/x
  3. Step 3: Cross multiply
    12,787,932.60x = 19,181,456.64 × 3,203,393.76
  4. Step 4: Simplify right side
    12,787,932.60x = 61,445,758,508,286.56
  5. Step 5: Solve for x
    x = 61,445,758,508,286.56/12,787,932.60
  6. Step 6: Final answer
    x = 4,804,979.85

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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.