Home / 18,921,936.41-28,389,491.43-5,970,086.83

Finding the Fourth Proportional to 18,921,936.41, 28,389,491.43 and 5,970,086.83

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Solution

The fourth proportional to 18,921,936.41, 28,389,491.43 and 5,970,086.83 is: 8,957,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,921,936.41 : 28,389,491.43 = 5,970,086.83 : x
  2. Step 2: Convert to fraction form
    18,921,936.41/28,389,491.43 = 5,970,086.83/x
  3. Step 3: Cross multiply
    18,921,936.41x = 28,389,491.43 × 5,970,086.83
  4. Step 4: Simplify right side
    18,921,936.41x = 169,487,728,896,640.88
  5. Step 5: Solve for x
    x = 169,487,728,896,640.88/18,921,936.41
  6. Step 6: Final answer
    x = 8,957,208.46

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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.