Home / 12,117,951.23-16,722,188.12-6,610,997.75

Finding the Fourth Proportional to 12,117,951.23, 16,722,188.12 and 6,610,997.75

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Solution

The fourth proportional to 12,117,951.23, 16,722,188.12 and 6,610,997.75 is: 9,122,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,951.23 : 16,722,188.12 = 6,610,997.75 : x
  2. Step 2: Convert to fraction form
    12,117,951.23/16,722,188.12 = 6,610,997.75/x
  3. Step 3: Cross multiply
    12,117,951.23x = 16,722,188.12 × 6,610,997.75
  4. Step 4: Simplify right side
    12,117,951.23x = 110,550,347,919,730.80
  5. Step 5: Solve for x
    x = 110,550,347,919,730.80/12,117,951.23
  6. Step 6: Final answer
    x = 9,122,857.97

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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.