Home / 13,486,149.60-20,229,224.40-13,402,168.80

Finding the Fourth Proportional to 13,486,149.60, 20,229,224.40 and 13,402,168.80

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Solution

The fourth proportional to 13,486,149.60, 20,229,224.40 and 13,402,168.80 is: 20,103,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,149.60 : 20,229,224.40 = 13,402,168.80 : x
  2. Step 2: Convert to fraction form
    13,486,149.60/20,229,224.40 = 13,402,168.80/x
  3. Step 3: Cross multiply
    13,486,149.60x = 20,229,224.40 × 13,402,168.80
  4. Step 4: Simplify right side
    13,486,149.60x = 271,115,480,101,878.72
  5. Step 5: Solve for x
    x = 271,115,480,101,878.72/13,486,149.60
  6. Step 6: Final answer
    x = 20,103,253.20

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1.5x scale

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.