Home / 7,667,721.20-11,491,813.20-4,075,209.20

Finding the Fourth Proportional to 7,667,721.20, 11,491,813.20 and 4,075,209.20

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Solution

The fourth proportional to 7,667,721.20, 11,491,813.20 and 4,075,209.20 is: 6,107,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667,721.20 : 11,491,813.20 = 4,075,209.20 : x
  2. Step 2: Convert to fraction form
    7,667,721.20/11,491,813.20 = 4,075,209.20/x
  3. Step 3: Cross multiply
    7,667,721.20x = 11,491,813.20 × 4,075,209.20
  4. Step 4: Simplify right side
    7,667,721.20x = 46,831,542,877,321.44
  5. Step 5: Solve for x
    x = 46,831,542,877,321.44/7,667,721.20
  6. Step 6: Final answer
    x = 6,107,622.02

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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.