Home / 6,800,512.20-10,200,768.30-5,259,333.30

Finding the Fourth Proportional to 6,800,512.20, 10,200,768.30 and 5,259,333.30

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Solution

The fourth proportional to 6,800,512.20, 10,200,768.30 and 5,259,333.30 is: 7,888,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800,512.20 : 10,200,768.30 = 5,259,333.30 : x
  2. Step 2: Convert to fraction form
    6,800,512.20/10,200,768.30 = 5,259,333.30/x
  3. Step 3: Cross multiply
    6,800,512.20x = 10,200,768.30 × 5,259,333.30
  4. Step 4: Simplify right side
    6,800,512.20x = 53,649,240,405,774.39
  5. Step 5: Solve for x
    x = 53,649,240,405,774.39/6,800,512.20
  6. Step 6: Final answer
    x = 7,888,999.95

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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.