Home / 12,912,499.28-17,821,379.40-9,850,932.56

Finding the Fourth Proportional to 12,912,499.28, 17,821,379.40 and 9,850,932.56

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Solution

The fourth proportional to 12,912,499.28, 17,821,379.40 and 9,850,932.56 is: 13,595,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,499.28 : 17,821,379.40 = 9,850,932.56 : x
  2. Step 2: Convert to fraction form
    12,912,499.28/17,821,379.40 = 9,850,932.56/x
  3. Step 3: Cross multiply
    12,912,499.28x = 17,821,379.40 × 9,850,932.56
  4. Step 4: Simplify right side
    12,912,499.28x = 175,557,206,595,573.25
  5. Step 5: Solve for x
    x = 175,557,206,595,573.25/12,912,499.28
  6. Step 6: Final answer
    x = 13,595,912.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.