Home / 12,327,007-18,493,032.39-4,238,932.23

Finding the Fourth Proportional to 12,327,007, 18,493,032.39 and 4,238,932.23

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Solution

The fourth proportional to 12,327,007, 18,493,032.39 and 4,238,932.23 is: 6,359,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327,007 : 18,493,032.39 = 4,238,932.23 : x
  2. Step 2: Convert to fraction form
    12,327,007/18,493,032.39 = 4,238,932.23/x
  3. Step 3: Cross multiply
    12,327,007x = 18,493,032.39 × 4,238,932.23
  4. Step 4: Simplify right side
    12,327,007x = 78,390,710,914,745.11
  5. Step 5: Solve for x
    x = 78,390,710,914,745.11/12,327,007
  6. Step 6: Final answer
    x = 6,359,265.55

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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.