Home / 13,485,734.52-20,228,621.20-5,507,558.52

Finding the Fourth Proportional to 13,485,734.52, 20,228,621.20 and 5,507,558.52

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Solution

The fourth proportional to 13,485,734.52, 20,228,621.20 and 5,507,558.52 is: 8,261,345.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,734.52 : 20,228,621.20 = 5,507,558.52 : x
  2. Step 2: Convert to fraction form
    13,485,734.52/20,228,621.20 = 5,507,558.52/x
  3. Step 3: Cross multiply
    13,485,734.52x = 20,228,621.20 × 5,507,558.52
  4. Step 4: Simplify right side
    13,485,734.52x = 111,410,315,037,912.61
  5. Step 5: Solve for x
    x = 111,410,315,037,912.61/13,485,734.52
  6. Step 6: Final answer
    x = 8,261,345.71

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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.