Home / 13,422,600-20,136,531.60-5,334,067.92

Finding the Fourth Proportional to 13,422,600, 20,136,531.60 and 5,334,067.92

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Solution

The fourth proportional to 13,422,600, 20,136,531.60 and 5,334,067.92 is: 8,002,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422,600 : 20,136,531.60 = 5,334,067.92 : x
  2. Step 2: Convert to fraction form
    13,422,600/20,136,531.60 = 5,334,067.92/x
  3. Step 3: Cross multiply
    13,422,600x = 20,136,531.60 × 5,334,067.92
  4. Step 4: Simplify right side
    13,422,600x = 107,409,627,227,626.28
  5. Step 5: Solve for x
    x = 107,409,627,227,626.28/13,422,600
  6. Step 6: Final answer
    x = 8,002,147.66

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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.