Home / 8,668,667.20-12,993,669.60-3,275,233.60

Finding the Fourth Proportional to 8,668,667.20, 12,993,669.60 and 3,275,233.60

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Solution

The fourth proportional to 8,668,667.20, 12,993,669.60 and 3,275,233.60 is: 4,909,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,667.20 : 12,993,669.60 = 3,275,233.60 : x
  2. Step 2: Convert to fraction form
    8,668,667.20/12,993,669.60 = 3,275,233.60/x
  3. Step 3: Cross multiply
    8,668,667.20x = 12,993,669.60 × 3,275,233.60
  4. Step 4: Simplify right side
    8,668,667.20x = 42,557,303,261,218.56
  5. Step 5: Solve for x
    x = 42,557,303,261,218.56/8,668,667.20
  6. Step 6: Final answer
    x = 4,909,324.85

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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.