Home / 21,810,876.62-30,098,858.85-12,021,325.97

Finding the Fourth Proportional to 21,810,876.62, 30,098,858.85 and 12,021,325.97

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Solution

The fourth proportional to 21,810,876.62, 30,098,858.85 and 12,021,325.97 is: 16,589,346.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810,876.62 : 30,098,858.85 = 12,021,325.97 : x
  2. Step 2: Convert to fraction form
    21,810,876.62/30,098,858.85 = 12,021,325.97/x
  3. Step 3: Cross multiply
    21,810,876.62x = 30,098,858.85 × 12,021,325.97
  4. Step 4: Simplify right side
    21,810,876.62x = 361,828,193,410,375.06
  5. Step 5: Solve for x
    x = 361,828,193,410,375.06/21,810,876.62
  6. Step 6: Final answer
    x = 16,589,346.67

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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.