Home / 21,670,331.50-29,905,097.44-11,747,183.50

Finding the Fourth Proportional to 21,670,331.50, 29,905,097.44 and 11,747,183.50

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Solution

The fourth proportional to 21,670,331.50, 29,905,097.44 and 11,747,183.50 is: 16,211,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670,331.50 : 29,905,097.44 = 11,747,183.50 : x
  2. Step 2: Convert to fraction form
    21,670,331.50/29,905,097.44 = 11,747,183.50/x
  3. Step 3: Cross multiply
    21,670,331.50x = 29,905,097.44 × 11,747,183.50
  4. Step 4: Simplify right side
    21,670,331.50x = 351,300,667,165,001.62
  5. Step 5: Solve for x
    x = 351,300,667,165,001.62/21,670,331.50
  6. Step 6: Final answer
    x = 16,211,134.90

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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.