Home / 13,853,659.20-20,780,845.20-6,565,408.80

Finding the Fourth Proportional to 13,853,659.20, 20,780,845.20 and 6,565,408.80

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Solution

The fourth proportional to 13,853,659.20, 20,780,845.20 and 6,565,408.80 is: 9,848,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,659.20 : 20,780,845.20 = 6,565,408.80 : x
  2. Step 2: Convert to fraction form
    13,853,659.20/20,780,845.20 = 6,565,408.80/x
  3. Step 3: Cross multiply
    13,853,659.20x = 20,780,845.20 × 6,565,408.80
  4. Step 4: Simplify right side
    13,853,659.20x = 136,434,743,947,517.75
  5. Step 5: Solve for x
    x = 136,434,743,947,517.75/13,853,659.20
  6. Step 6: Final answer
    x = 9,848,282.10

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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.