Home / 36,108,428.72-49,833,006.36-20,635,491.44

Finding the Fourth Proportional to 36,108,428.72, 49,833,006.36 and 20,635,491.44

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Solution

The fourth proportional to 36,108,428.72, 49,833,006.36 and 20,635,491.44 is: 28,478,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,108,428.72 : 49,833,006.36 = 20,635,491.44 : x
  2. Step 2: Convert to fraction form
    36,108,428.72/49,833,006.36 = 20,635,491.44/x
  3. Step 3: Cross multiply
    36,108,428.72x = 49,833,006.36 × 20,635,491.44
  4. Step 4: Simplify right side
    36,108,428.72x = 1,028,328,576,171,245.62
  5. Step 5: Solve for x
    x = 1,028,328,576,171,245.62/36,108,428.72
  6. Step 6: Final answer
    x = 28,478,906.80

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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.