Home / 16,686,630.72-23,027,876.64-10,889,121.60

Finding the Fourth Proportional to 16,686,630.72, 23,027,876.64 and 10,889,121.60

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Solution

The fourth proportional to 16,686,630.72, 23,027,876.64 and 10,889,121.60 is: 15,027,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686,630.72 : 23,027,876.64 = 10,889,121.60 : x
  2. Step 2: Convert to fraction form
    16,686,630.72/23,027,876.64 = 10,889,121.60/x
  3. Step 3: Cross multiply
    16,686,630.72x = 23,027,876.64 × 10,889,121.60
  4. Step 4: Simplify right side
    16,686,630.72x = 250,753,348,922,759.44
  5. Step 5: Solve for x
    x = 250,753,348,922,759.44/16,686,630.72
  6. Step 6: Final answer
    x = 15,027,200.71

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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.