Home / 8,309,077.80-12,464,783.10-2,628,709.80

Finding the Fourth Proportional to 8,309,077.80, 12,464,783.10 and 2,628,709.80

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Solution

The fourth proportional to 8,309,077.80, 12,464,783.10 and 2,628,709.80 is: 3,943,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,077.80 : 12,464,783.10 = 2,628,709.80 : x
  2. Step 2: Convert to fraction form
    8,309,077.80/12,464,783.10 = 2,628,709.80/x
  3. Step 3: Cross multiply
    8,309,077.80x = 12,464,783.10 × 2,628,709.80
  4. Step 4: Simplify right side
    8,309,077.80x = 32,766,297,489,844.38
  5. Step 5: Solve for x
    x = 32,766,297,489,844.38/8,309,077.80
  6. Step 6: Final answer
    x = 3,943,433.71

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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.