Home / 13,845,862.72-20,743,945.44-8,451,737.92

Finding the Fourth Proportional to 13,845,862.72, 20,743,945.44 and 8,451,737.92

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Solution

The fourth proportional to 13,845,862.72, 20,743,945.44 and 8,451,737.92 is: 12,662,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845,862.72 : 20,743,945.44 = 8,451,737.92 : x
  2. Step 2: Convert to fraction form
    13,845,862.72/20,743,945.44 = 8,451,737.92/x
  3. Step 3: Cross multiply
    13,845,862.72x = 20,743,945.44 × 8,451,737.92
  4. Step 4: Simplify right side
    13,845,862.72x = 175,322,390,285,659.09
  5. Step 5: Solve for x
    x = 175,322,390,285,659.09/13,845,862.72
  6. Step 6: Final answer
    x = 12,662,438.87

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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.