Home / 8,263,140.80-12,394,711.20-5,853,941.60

Finding the Fourth Proportional to 8,263,140.80, 12,394,711.20 and 5,853,941.60

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Solution

The fourth proportional to 8,263,140.80, 12,394,711.20 and 5,853,941.60 is: 8,780,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,140.80 : 12,394,711.20 = 5,853,941.60 : x
  2. Step 2: Convert to fraction form
    8,263,140.80/12,394,711.20 = 5,853,941.60/x
  3. Step 3: Cross multiply
    8,263,140.80x = 12,394,711.20 × 5,853,941.60
  4. Step 4: Simplify right side
    8,263,140.80x = 72,557,915,513,665.91
  5. Step 5: Solve for x
    x = 72,557,915,513,665.91/8,263,140.80
  6. Step 6: Final answer
    x = 8,780,912.40

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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.