Home / 8,306,725.80-12,460,088.70-5,451,378.60

Finding the Fourth Proportional to 8,306,725.80, 12,460,088.70 and 5,451,378.60

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Solution

The fourth proportional to 8,306,725.80, 12,460,088.70 and 5,451,378.60 is: 8,177,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,725.80 : 12,460,088.70 = 5,451,378.60 : x
  2. Step 2: Convert to fraction form
    8,306,725.80/12,460,088.70 = 5,451,378.60/x
  3. Step 3: Cross multiply
    8,306,725.80x = 12,460,088.70 × 5,451,378.60
  4. Step 4: Simplify right side
    8,306,725.80x = 67,924,660,893,281.81
  5. Step 5: Solve for x
    x = 67,924,660,893,281.81/8,306,725.80
  6. Step 6: Final answer
    x = 8,177,067.90

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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.