Home / 12,992,079.44-17,910,586.55-8,856,803.86

Finding the Fourth Proportional to 12,992,079.44, 17,910,586.55 and 8,856,803.86

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Solution

The fourth proportional to 12,992,079.44, 17,910,586.55 and 8,856,803.86 is: 12,209,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,079.44 : 17,910,586.55 = 8,856,803.86 : x
  2. Step 2: Convert to fraction form
    12,992,079.44/17,910,586.55 = 8,856,803.86/x
  3. Step 3: Cross multiply
    12,992,079.44x = 17,910,586.55 × 8,856,803.86
  4. Step 4: Simplify right side
    12,992,079.44x = 158,630,552,068,269.62
  5. Step 5: Solve for x
    x = 158,630,552,068,269.62/12,992,079.44
  6. Step 6: Final answer
    x = 12,209,789.26

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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.