Home / 8,179,252.80-12,268,879.20-5,790,465.60

Finding the Fourth Proportional to 8,179,252.80, 12,268,879.20 and 5,790,465.60

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Solution

The fourth proportional to 8,179,252.80, 12,268,879.20 and 5,790,465.60 is: 8,685,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,252.80 : 12,268,879.20 = 5,790,465.60 : x
  2. Step 2: Convert to fraction form
    8,179,252.80/12,268,879.20 = 5,790,465.60/x
  3. Step 3: Cross multiply
    8,179,252.80x = 12,268,879.20 × 5,790,465.60
  4. Step 4: Simplify right side
    8,179,252.80x = 71,042,522,958,155.52
  5. Step 5: Solve for x
    x = 71,042,522,958,155.52/8,179,252.80
  6. Step 6: Final answer
    x = 8,685,698.40

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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.