Home / 28,734,163.60-43,122,240.60-20,231,107.60

Finding the Fourth Proportional to 28,734,163.60, 43,122,240.60 and 20,231,107.60

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Solution

The fourth proportional to 28,734,163.60, 43,122,240.60 and 20,231,107.60 is: 30,361,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734,163.60 : 43,122,240.60 = 20,231,107.60 : x
  2. Step 2: Convert to fraction form
    28,734,163.60/43,122,240.60 = 20,231,107.60/x
  3. Step 3: Cross multiply
    28,734,163.60x = 43,122,240.60 × 20,231,107.60
  4. Step 4: Simplify right side
    28,734,163.60x = 872,410,689,531,688.62
  5. Step 5: Solve for x
    x = 872,410,689,531,688.62/28,734,163.60
  6. Step 6: Final answer
    x = 30,361,443.67

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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.