Home / 13,322,015.68-18,384,826.72-8,164,380.80

Finding the Fourth Proportional to 13,322,015.68, 18,384,826.72 and 8,164,380.80

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Solution

The fourth proportional to 13,322,015.68, 18,384,826.72 and 8,164,380.80 is: 11,267,118.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322,015.68 : 18,384,826.72 = 8,164,380.80 : x
  2. Step 2: Convert to fraction form
    13,322,015.68/18,384,826.72 = 8,164,380.80/x
  3. Step 3: Cross multiply
    13,322,015.68x = 18,384,826.72 × 8,164,380.80
  4. Step 4: Simplify right side
    13,322,015.68x = 150,100,726,284,094.97
  5. Step 5: Solve for x
    x = 150,100,726,284,094.97/13,322,015.68
  6. Step 6: Final answer
    x = 11,267,118.27

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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.