Home / 8,100,290.82-12,150,448.02-3,307,980.09

Finding the Fourth Proportional to 8,100,290.82, 12,150,448.02 and 3,307,980.09

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Solution

The fourth proportional to 8,100,290.82, 12,150,448.02 and 3,307,980.09 is: 4,961,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100,290.82 : 12,150,448.02 = 3,307,980.09 : x
  2. Step 2: Convert to fraction form
    8,100,290.82/12,150,448.02 = 3,307,980.09/x
  3. Step 3: Cross multiply
    8,100,290.82x = 12,150,448.02 × 3,307,980.09
  4. Step 4: Simplify right side
    8,100,290.82x = 40,193,440,134,739.92
  5. Step 5: Solve for x
    x = 40,193,440,134,739.92/8,100,290.82
  6. Step 6: Final answer
    x = 4,961,974.95

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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.