Home / 8,258,410.80-12,387,616.20-6,132,646.80

Finding the Fourth Proportional to 8,258,410.80, 12,387,616.20 and 6,132,646.80

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Solution

The fourth proportional to 8,258,410.80, 12,387,616.20 and 6,132,646.80 is: 9,198,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,410.80 : 12,387,616.20 = 6,132,646.80 : x
  2. Step 2: Convert to fraction form
    8,258,410.80/12,387,616.20 = 6,132,646.80/x
  3. Step 3: Cross multiply
    8,258,410.80x = 12,387,616.20 × 6,132,646.80
  4. Step 4: Simplify right side
    8,258,410.80x = 75,968,874,848,558.16
  5. Step 5: Solve for x
    x = 75,968,874,848,558.16/8,258,410.80
  6. Step 6: Final answer
    x = 9,198,970.20

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Double scale
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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.