Home / 7,880,629.05-11,819,965.19-2,123,813.04

Finding the Fourth Proportional to 7,880,629.05, 11,819,965.19 and 2,123,813.04

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Solution

The fourth proportional to 7,880,629.05, 11,819,965.19 and 2,123,813.04 is: 3,185,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,629.05 : 11,819,965.19 = 2,123,813.04 : x
  2. Step 2: Convert to fraction form
    7,880,629.05/11,819,965.19 = 2,123,813.04/x
  3. Step 3: Cross multiply
    7,880,629.05x = 11,819,965.19 × 2,123,813.04
  4. Step 4: Simplify right side
    7,880,629.05x = 25,103,396,192,249.02
  5. Step 5: Solve for x
    x = 25,103,396,192,249.02/7,880,629.05
  6. Step 6: Final answer
    x = 3,185,455.89

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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.