Home / 15,185,704.82-20,957,198.19-8,660,593.49

Finding the Fourth Proportional to 15,185,704.82, 20,957,198.19 and 8,660,593.49

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Solution

The fourth proportional to 15,185,704.82, 20,957,198.19 and 8,660,593.49 is: 11,952,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185,704.82 : 20,957,198.19 = 8,660,593.49 : x
  2. Step 2: Convert to fraction form
    15,185,704.82/20,957,198.19 = 8,660,593.49/x
  3. Step 3: Cross multiply
    15,185,704.82x = 20,957,198.19 × 8,660,593.49
  4. Step 4: Simplify right side
    15,185,704.82x = 181,501,774,212,953.81
  5. Step 5: Solve for x
    x = 181,501,774,212,953.81/15,185,704.82
  6. Step 6: Final answer
    x = 11,952,146.86

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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.