Home / 12,996,427.91-19,504,447.19-8,887,932.21

Finding the Fourth Proportional to 12,996,427.91, 19,504,447.19 and 8,887,932.21

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Solution

The fourth proportional to 12,996,427.91, 19,504,447.19 and 8,887,932.21 is: 13,338,603.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996,427.91 : 19,504,447.19 = 8,887,932.21 : x
  2. Step 2: Convert to fraction form
    12,996,427.91/19,504,447.19 = 8,887,932.21/x
  3. Step 3: Cross multiply
    12,996,427.91x = 19,504,447.19 × 8,887,932.21
  4. Step 4: Simplify right side
    12,996,427.91x = 173,354,204,420,558.88
  5. Step 5: Solve for x
    x = 173,354,204,420,558.88/12,996,427.91
  6. Step 6: Final answer
    x = 13,338,603.93

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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.