Home / 8,077,205.70-12,115,808.55-5,809,724.10

Finding the Fourth Proportional to 8,077,205.70, 12,115,808.55 and 5,809,724.10

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Solution

The fourth proportional to 8,077,205.70, 12,115,808.55 and 5,809,724.10 is: 8,714,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077,205.70 : 12,115,808.55 = 5,809,724.10 : x
  2. Step 2: Convert to fraction form
    8,077,205.70/12,115,808.55 = 5,809,724.10/x
  3. Step 3: Cross multiply
    8,077,205.70x = 12,115,808.55 × 5,809,724.10
  4. Step 4: Simplify right side
    8,077,205.70x = 70,389,504,923,921.06
  5. Step 5: Solve for x
    x = 70,389,504,923,921.06/8,077,205.70
  6. Step 6: Final answer
    x = 8,714,586.15

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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.