Home / 8,367,081.20-12,550,621.80-5,816,164.40

Finding the Fourth Proportional to 8,367,081.20, 12,550,621.80 and 5,816,164.40

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Solution

The fourth proportional to 8,367,081.20, 12,550,621.80 and 5,816,164.40 is: 8,724,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367,081.20 : 12,550,621.80 = 5,816,164.40 : x
  2. Step 2: Convert to fraction form
    8,367,081.20/12,550,621.80 = 5,816,164.40/x
  3. Step 3: Cross multiply
    8,367,081.20x = 12,550,621.80 × 5,816,164.40
  4. Step 4: Simplify right side
    8,367,081.20x = 72,996,479,711,023.92
  5. Step 5: Solve for x
    x = 72,996,479,711,023.92/8,367,081.20
  6. Step 6: Final answer
    x = 8,724,246.60

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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.