Home / 8,338,186.20-11,490,970.86-6,682,452.60

Finding the Fourth Proportional to 8,338,186.20, 11,490,970.86 and 6,682,452.60

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Solution

The fourth proportional to 8,338,186.20, 11,490,970.86 and 6,682,452.60 is: 9,209,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338,186.20 : 11,490,970.86 = 6,682,452.60 : x
  2. Step 2: Convert to fraction form
    8,338,186.20/11,490,970.86 = 6,682,452.60/x
  3. Step 3: Cross multiply
    8,338,186.20x = 11,490,970.86 × 6,682,452.60
  4. Step 4: Simplify right side
    8,338,186.20x = 76,787,868,099,931.23
  5. Step 5: Solve for x
    x = 76,787,868,099,931.23/8,338,186.20
  6. Step 6: Final answer
    x = 9,209,181.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.