Home / 6,263,138.80-9,394,708.20-5,200,303.60

Finding the Fourth Proportional to 6,263,138.80, 9,394,708.20 and 5,200,303.60

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Solution

The fourth proportional to 6,263,138.80, 9,394,708.20 and 5,200,303.60 is: 7,800,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263,138.80 : 9,394,708.20 = 5,200,303.60 : x
  2. Step 2: Convert to fraction form
    6,263,138.80/9,394,708.20 = 5,200,303.60/x
  3. Step 3: Cross multiply
    6,263,138.80x = 9,394,708.20 × 5,200,303.60
  4. Step 4: Simplify right side
    6,263,138.80x = 48,855,334,873,409.52
  5. Step 5: Solve for x
    x = 48,855,334,873,409.52/6,263,138.80
  6. Step 6: Final answer
    x = 7,800,455.40

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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.