Home / 21,353,491.50-29,467,664.13-11,563,708.56

Finding the Fourth Proportional to 21,353,491.50, 29,467,664.13 and 11,563,708.56

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Solution

The fourth proportional to 21,353,491.50, 29,467,664.13 and 11,563,708.56 is: 15,957,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,491.50 : 29,467,664.13 = 11,563,708.56 : x
  2. Step 2: Convert to fraction form
    21,353,491.50/29,467,664.13 = 11,563,708.56/x
  3. Step 3: Cross multiply
    21,353,491.50x = 29,467,664.13 × 11,563,708.56
  4. Step 4: Simplify right side
    21,353,491.50x = 340,755,479,943,285.94
  5. Step 5: Solve for x
    x = 340,755,479,943,285.94/21,353,491.50
  6. Step 6: Final answer
    x = 15,957,834.34

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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.