Home / 13,540,957-18,711,225.52-9,863,450.88

Finding the Fourth Proportional to 13,540,957, 18,711,225.52 and 9,863,450.88

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Solution

The fourth proportional to 13,540,957, 18,711,225.52 and 9,863,450.88 is: 13,629,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,957 : 18,711,225.52 = 9,863,450.88 : x
  2. Step 2: Convert to fraction form
    13,540,957/18,711,225.52 = 9,863,450.88/x
  3. Step 3: Cross multiply
    13,540,957x = 18,711,225.52 × 9,863,450.88
  4. Step 4: Simplify right side
    13,540,957x = 184,557,253,821,122.47
  5. Step 5: Solve for x
    x = 184,557,253,821,122.47/13,540,957
  6. Step 6: Final answer
    x = 13,629,557.63

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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.