Home / 7,149,839.40-10,718,716.86-3,103,266.60

Finding the Fourth Proportional to 7,149,839.40, 10,718,716.86 and 3,103,266.60

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Solution

The fourth proportional to 7,149,839.40, 10,718,716.86 and 3,103,266.60 is: 4,652,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,839.40 : 10,718,716.86 = 3,103,266.60 : x
  2. Step 2: Convert to fraction form
    7,149,839.40/10,718,716.86 = 3,103,266.60/x
  3. Step 3: Cross multiply
    7,149,839.40x = 10,718,716.86 × 3,103,266.60
  4. Step 4: Simplify right side
    7,149,839.40x = 33,263,036,026,494.88
  5. Step 5: Solve for x
    x = 33,263,036,026,494.88/7,149,839.40
  6. Step 6: Final answer
    x = 4,652,277.37

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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.