Home / 18,944,103.20-28,416,154.80-13,171,200.80

Finding the Fourth Proportional to 18,944,103.20, 28,416,154.80 and 13,171,200.80

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Solution

The fourth proportional to 18,944,103.20, 28,416,154.80 and 13,171,200.80 is: 19,756,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944,103.20 : 28,416,154.80 = 13,171,200.80 : x
  2. Step 2: Convert to fraction form
    18,944,103.20/28,416,154.80 = 13,171,200.80/x
  3. Step 3: Cross multiply
    18,944,103.20x = 28,416,154.80 × 13,171,200.80
  4. Step 4: Simplify right side
    18,944,103.20x = 374,274,880,834,683.88
  5. Step 5: Solve for x
    x = 374,274,880,834,683.88/18,944,103.20
  6. Step 6: Final answer
    x = 19,756,801.20

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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.