Home / 8,890,383.78-12,268,767.21-4,816,002.78

Finding the Fourth Proportional to 8,890,383.78, 12,268,767.21 and 4,816,002.78

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Solution

The fourth proportional to 8,890,383.78, 12,268,767.21 and 4,816,002.78 is: 6,646,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890,383.78 : 12,268,767.21 = 4,816,002.78 : x
  2. Step 2: Convert to fraction form
    8,890,383.78/12,268,767.21 = 4,816,002.78/x
  3. Step 3: Cross multiply
    8,890,383.78x = 12,268,767.21 × 4,816,002.78
  4. Step 4: Simplify right side
    8,890,383.78x = 59,086,416,990,532.85
  5. Step 5: Solve for x
    x = 59,086,416,990,532.85/8,890,383.78
  6. Step 6: Final answer
    x = 6,646,104.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.