Home / 8,221,525.20-12,332,287.80-2,542,323.60

Finding the Fourth Proportional to 8,221,525.20, 12,332,287.80 and 2,542,323.60

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Solution

The fourth proportional to 8,221,525.20, 12,332,287.80 and 2,542,323.60 is: 3,813,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,525.20 : 12,332,287.80 = 2,542,323.60 : x
  2. Step 2: Convert to fraction form
    8,221,525.20/12,332,287.80 = 2,542,323.60/x
  3. Step 3: Cross multiply
    8,221,525.20x = 12,332,287.80 × 2,542,323.60
  4. Step 4: Simplify right side
    8,221,525.20x = 31,352,666,315,932.08
  5. Step 5: Solve for x
    x = 31,352,666,315,932.08/8,221,525.20
  6. Step 6: Final answer
    x = 3,813,485.40

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Similar ratio
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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.