Home / 21,856,504.56-30,161,375.82-12,066,770.76

Finding the Fourth Proportional to 21,856,504.56, 30,161,375.82 and 12,066,770.76

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Solution

The fourth proportional to 21,856,504.56, 30,161,375.82 and 12,066,770.76 is: 16,651,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,504.56 : 30,161,375.82 = 12,066,770.76 : x
  2. Step 2: Convert to fraction form
    21,856,504.56/30,161,375.82 = 12,066,770.76/x
  3. Step 3: Cross multiply
    21,856,504.56x = 30,161,375.82 × 12,066,770.76
  4. Step 4: Simplify right side
    21,856,504.56x = 363,950,407,826,147
  5. Step 5: Solve for x
    x = 363,950,407,826,147/21,856,504.56
  6. Step 6: Final answer
    x = 16,651,812.13

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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.