Home / 21,691,019.27-29,933,663.43-11,767,901.44

Finding the Fourth Proportional to 21,691,019.27, 29,933,663.43 and 11,767,901.44

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Solution

The fourth proportional to 21,691,019.27, 29,933,663.43 and 11,767,901.44 is: 16,239,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,691,019.27 : 29,933,663.43 = 11,767,901.44 : x
  2. Step 2: Convert to fraction form
    21,691,019.27/29,933,663.43 = 11,767,901.44/x
  3. Step 3: Cross multiply
    21,691,019.27x = 29,933,663.43 × 11,767,901.44
  4. Step 4: Simplify right side
    21,691,019.27x = 352,256,401,007,793.44
  5. Step 5: Solve for x
    x = 352,256,401,007,793.44/21,691,019.27
  6. Step 6: Final answer
    x = 16,239,734.82

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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.