Home / 28,410,850.12-39,180,826.24-18,617,737.49

Finding the Fourth Proportional to 28,410,850.12, 39,180,826.24 and 18,617,737.49

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Solution

The fourth proportional to 28,410,850.12, 39,180,826.24 and 18,617,737.49 is: 25,675,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410,850.12 : 39,180,826.24 = 18,617,737.49 : x
  2. Step 2: Convert to fraction form
    28,410,850.12/39,180,826.24 = 18,617,737.49/x
  3. Step 3: Cross multiply
    28,410,850.12x = 39,180,826.24 × 18,617,737.49
  4. Step 4: Simplify right side
    28,410,850.12x = 729,458,337,629,031.38
  5. Step 5: Solve for x
    x = 729,458,337,629,031.38/28,410,850.12
  6. Step 6: Final answer
    x = 25,675,343.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.