Home / 12,485,558.56-18,726,975.60-8,467,854.88

Finding the Fourth Proportional to 12,485,558.56, 18,726,975.60 and 8,467,854.88

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Solution

The fourth proportional to 12,485,558.56, 18,726,975.60 and 8,467,854.88 is: 12,700,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,558.56 : 18,726,975.60 = 8,467,854.88 : x
  2. Step 2: Convert to fraction form
    12,485,558.56/18,726,975.60 = 8,467,854.88/x
  3. Step 3: Cross multiply
    12,485,558.56x = 18,726,975.60 × 8,467,854.88
  4. Step 4: Simplify right side
    12,485,558.56x = 158,577,311,722,100.97
  5. Step 5: Solve for x
    x = 158,577,311,722,100.97/12,485,558.56
  6. Step 6: Final answer
    x = 12,700,858.43

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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.