Home / 21,691,020.77-29,933,665.51-11,767,902.94

Finding the Fourth Proportional to 21,691,020.77, 29,933,665.51 and 11,767,902.94

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Solution

The fourth proportional to 21,691,020.77, 29,933,665.51 and 11,767,902.94 is: 16,239,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,691,020.77 : 29,933,665.51 = 11,767,902.94 : x
  2. Step 2: Convert to fraction form
    21,691,020.77/29,933,665.51 = 11,767,902.94/x
  3. Step 3: Cross multiply
    21,691,020.77x = 29,933,665.51 × 11,767,902.94
  4. Step 4: Simplify right side
    21,691,020.77x = 352,256,470,360,105.62
  5. Step 5: Solve for x
    x = 352,256,470,360,105.62/21,691,020.77
  6. Step 6: Final answer
    x = 16,239,736.90

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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.