Home / 21,740,664.70-30,002,214.72-11,951,738.56

Finding the Fourth Proportional to 21,740,664.70, 30,002,214.72 and 11,951,738.56

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Solution

The fourth proportional to 21,740,664.70, 30,002,214.72 and 11,951,738.56 is: 16,493,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740,664.70 : 30,002,214.72 = 11,951,738.56 : x
  2. Step 2: Convert to fraction form
    21,740,664.70/30,002,214.72 = 11,951,738.56/x
  3. Step 3: Cross multiply
    21,740,664.70x = 30,002,214.72 × 11,951,738.56
  4. Step 4: Simplify right side
    21,740,664.70x = 358,578,626,554,423.62
  5. Step 5: Solve for x
    x = 358,578,626,554,423.62/21,740,664.70
  6. Step 6: Final answer
    x = 16,493,452.78

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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.