Home / 8,747,443.20-13,121,164.80-5,554,860.60

Finding the Fourth Proportional to 8,747,443.20, 13,121,164.80 and 5,554,860.60

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Solution

The fourth proportional to 8,747,443.20, 13,121,164.80 and 5,554,860.60 is: 8,332,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747,443.20 : 13,121,164.80 = 5,554,860.60 : x
  2. Step 2: Convert to fraction form
    8,747,443.20/13,121,164.80 = 5,554,860.60/x
  3. Step 3: Cross multiply
    8,747,443.20x = 13,121,164.80 × 5,554,860.60
  4. Step 4: Simplify right side
    8,747,443.20x = 72,886,241,373,626.88
  5. Step 5: Solve for x
    x = 72,886,241,373,626.88/8,747,443.20
  6. Step 6: Final answer
    x = 8,332,290.90

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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.