Home / 31,198,778.28-43,054,167.06-17,447,797.08

Finding the Fourth Proportional to 31,198,778.28, 43,054,167.06 and 17,447,797.08

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Solution

The fourth proportional to 31,198,778.28, 43,054,167.06 and 17,447,797.08 is: 24,077,877.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,198,778.28 : 43,054,167.06 = 17,447,797.08 : x
  2. Step 2: Convert to fraction form
    31,198,778.28/43,054,167.06 = 17,447,797.08/x
  3. Step 3: Cross multiply
    31,198,778.28x = 43,054,167.06 × 17,447,797.08
  4. Step 4: Simplify right side
    31,198,778.28x = 751,200,370,311,300.12
  5. Step 5: Solve for x
    x = 751,200,370,311,300.12/31,198,778.28
  6. Step 6: Final answer
    x = 24,077,877.78

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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.