Home / 21,584,912.44-29,790,217.47-13,741,919.50

Finding the Fourth Proportional to 21,584,912.44, 29,790,217.47 and 13,741,919.50

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Solution

The fourth proportional to 21,584,912.44, 29,790,217.47 and 13,741,919.50 is: 18,965,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584,912.44 : 29,790,217.47 = 13,741,919.50 : x
  2. Step 2: Convert to fraction form
    21,584,912.44/29,790,217.47 = 13,741,919.50/x
  3. Step 3: Cross multiply
    21,584,912.44x = 29,790,217.47 × 13,741,919.50
  4. Step 4: Simplify right side
    21,584,912.44x = 409,374,770,360,233.62
  5. Step 5: Solve for x
    x = 409,374,770,360,233.62/21,584,912.44
  6. Step 6: Final answer
    x = 18,965,783.23

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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.