Home / 8,059,621.20-12,089,431.80-5,508,704.40

Finding the Fourth Proportional to 8,059,621.20, 12,089,431.80 and 5,508,704.40

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Solution

The fourth proportional to 8,059,621.20, 12,089,431.80 and 5,508,704.40 is: 8,263,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059,621.20 : 12,089,431.80 = 5,508,704.40 : x
  2. Step 2: Convert to fraction form
    8,059,621.20/12,089,431.80 = 5,508,704.40/x
  3. Step 3: Cross multiply
    8,059,621.20x = 12,089,431.80 × 5,508,704.40
  4. Step 4: Simplify right side
    8,059,621.20x = 66,597,106,150,159.93
  5. Step 5: Solve for x
    x = 66,597,106,150,159.93/8,059,621.20
  6. Step 6: Final answer
    x = 8,263,056.60

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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.