Home / 21,305,491.60-29,401,708.17-11,515,910.98

Finding the Fourth Proportional to 21,305,491.60, 29,401,708.17 and 11,515,910.98

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Solution

The fourth proportional to 21,305,491.60, 29,401,708.17 and 11,515,910.98 is: 15,892,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,305,491.60 : 29,401,708.17 = 11,515,910.98 : x
  2. Step 2: Convert to fraction form
    21,305,491.60/29,401,708.17 = 11,515,910.98/x
  3. Step 3: Cross multiply
    21,305,491.60x = 29,401,708.17 × 11,515,910.98
  4. Step 4: Simplify right side
    21,305,491.60x = 338,587,453,945,658.75
  5. Step 5: Solve for x
    x = 338,587,453,945,658.75/21,305,491.60
  6. Step 6: Final answer
    x = 15,892,027.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.