Home / 12,079,928.56-18,122,731.03-3,992,904.46

Finding the Fourth Proportional to 12,079,928.56, 18,122,731.03 and 3,992,904.46

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Solution

The fourth proportional to 12,079,928.56, 18,122,731.03 and 3,992,904.46 is: 5,990,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079,928.56 : 18,122,731.03 = 3,992,904.46 : x
  2. Step 2: Convert to fraction form
    12,079,928.56/18,122,731.03 = 3,992,904.46/x
  3. Step 3: Cross multiply
    12,079,928.56x = 18,122,731.03 × 3,992,904.46
  4. Step 4: Simplify right side
    12,079,928.56x = 72,362,333,557,067.39
  5. Step 5: Solve for x
    x = 72,362,333,557,067.39/12,079,928.56
  6. Step 6: Final answer
    x = 5,990,294.83

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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.