Home / 13,509,928.55-18,629,766.38-11,556,273.82

Finding the Fourth Proportional to 13,509,928.55, 18,629,766.38 and 11,556,273.82

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Solution

The fourth proportional to 13,509,928.55, 18,629,766.38 and 11,556,273.82 is: 15,935,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509,928.55 : 18,629,766.38 = 11,556,273.82 : x
  2. Step 2: Convert to fraction form
    13,509,928.55/18,629,766.38 = 11,556,273.82/x
  3. Step 3: Cross multiply
    13,509,928.55x = 18,629,766.38 × 11,556,273.82
  4. Step 4: Simplify right side
    13,509,928.55x = 215,290,681,489,910.16
  5. Step 5: Solve for x
    x = 215,290,681,489,910.16/13,509,928.55
  6. Step 6: Final answer
    x = 15,935,737.98

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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.