Home / 7,667,720.20-11,491,811.70-4,075,208.20

Finding the Fourth Proportional to 7,667,720.20, 11,491,811.70 and 4,075,208.20

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Solution

The fourth proportional to 7,667,720.20, 11,491,811.70 and 4,075,208.20 is: 6,107,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,667,720.20 : 11,491,811.70 = 4,075,208.20 : x
  2. Step 2: Convert to fraction form
    7,667,720.20/11,491,811.70 = 4,075,208.20/x
  3. Step 3: Cross multiply
    7,667,720.20x = 11,491,811.70 × 4,075,208.20
  4. Step 4: Simplify right side
    7,667,720.20x = 46,831,525,272,695.94
  5. Step 5: Solve for x
    x = 46,831,525,272,695.94/7,667,720.20
  6. Step 6: Final answer
    x = 6,107,620.52

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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.