Home / 13,971,900.60-20,957,850.90-13,192,453.80

Finding the Fourth Proportional to 13,971,900.60, 20,957,850.90 and 13,192,453.80

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Solution

The fourth proportional to 13,971,900.60, 20,957,850.90 and 13,192,453.80 is: 19,788,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,900.60 : 20,957,850.90 = 13,192,453.80 : x
  2. Step 2: Convert to fraction form
    13,971,900.60/20,957,850.90 = 13,192,453.80/x
  3. Step 3: Cross multiply
    13,971,900.60x = 20,957,850.90 × 13,192,453.80
  4. Step 4: Simplify right side
    13,971,900.60x = 276,485,479,745,538.41
  5. Step 5: Solve for x
    x = 276,485,479,745,538.41/13,971,900.60
  6. Step 6: Final answer
    x = 19,788,680.70

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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.