Home / 15,529,972.86-21,431,383.11-8,654,304.06

Finding the Fourth Proportional to 15,529,972.86, 21,431,383.11 and 8,654,304.06

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Solution

The fourth proportional to 15,529,972.86, 21,431,383.11 and 8,654,304.06 is: 11,942,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529,972.86 : 21,431,383.11 = 8,654,304.06 : x
  2. Step 2: Convert to fraction form
    15,529,972.86/21,431,383.11 = 8,654,304.06/x
  3. Step 3: Cross multiply
    15,529,972.86x = 21,431,383.11 × 8,654,304.06
  4. Step 4: Simplify right side
    15,529,972.86x = 185,473,705,860,288.44
  5. Step 5: Solve for x
    x = 185,473,705,860,288.44/15,529,972.86
  6. Step 6: Final answer
    x = 11,942,951.06

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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.