Home / 13,401,167.91-20,103,993.99-10,522,418.61

Finding the Fourth Proportional to 13,401,167.91, 20,103,993.99 and 10,522,418.61

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Solution

The fourth proportional to 13,401,167.91, 20,103,993.99 and 10,522,418.61 is: 15,785,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401,167.91 : 20,103,993.99 = 10,522,418.61 : x
  2. Step 2: Convert to fraction form
    13,401,167.91/20,103,993.99 = 10,522,418.61/x
  3. Step 3: Cross multiply
    13,401,167.91x = 20,103,993.99 × 10,522,418.61
  4. Step 4: Simplify right side
    13,401,167.91x = 211,542,640,495,704.12
  5. Step 5: Solve for x
    x = 211,542,640,495,704.12/13,401,167.91
  6. Step 6: Final answer
    x = 15,785,388.40

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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.