Home / 21,014,997.78-31,519,887.66-5,663,488.44

Finding the Fourth Proportional to 21,014,997.78, 31,519,887.66 and 5,663,488.44

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Solution

The fourth proportional to 21,014,997.78, 31,519,887.66 and 5,663,488.44 is: 8,494,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,997.78 : 31,519,887.66 = 5,663,488.44 : x
  2. Step 2: Convert to fraction form
    21,014,997.78/31,519,887.66 = 5,663,488.44/x
  3. Step 3: Cross multiply
    21,014,997.78x = 31,519,887.66 × 5,663,488.44
  4. Step 4: Simplify right side
    21,014,997.78x = 178,512,519,392,508.66
  5. Step 5: Solve for x
    x = 178,512,519,392,508.66/21,014,997.78
  6. Step 6: Final answer
    x = 8,494,529.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.