Home / 13,667,412.60-20,504,229.30-7,984,711.80

Finding the Fourth Proportional to 13,667,412.60, 20,504,229.30 and 7,984,711.80

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Solution

The fourth proportional to 13,667,412.60, 20,504,229.30 and 7,984,711.80 is: 11,978,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,412.60 : 20,504,229.30 = 7,984,711.80 : x
  2. Step 2: Convert to fraction form
    13,667,412.60/20,504,229.30 = 7,984,711.80/x
  3. Step 3: Cross multiply
    13,667,412.60x = 20,504,229.30 × 7,984,711.80
  4. Step 4: Simplify right side
    13,667,412.60x = 163,720,361,641,615.75
  5. Step 5: Solve for x
    x = 163,720,361,641,615.75/13,667,412.60
  6. Step 6: Final answer
    x = 11,978,884.84

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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.