Home / 20,377,898.37-28,161,847.94-16,701,015.56

Finding the Fourth Proportional to 20,377,898.37, 28,161,847.94 and 16,701,015.56

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Solution

The fourth proportional to 20,377,898.37, 28,161,847.94 and 16,701,015.56 is: 23,080,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377,898.37 : 28,161,847.94 = 16,701,015.56 : x
  2. Step 2: Convert to fraction form
    20,377,898.37/28,161,847.94 = 16,701,015.56/x
  3. Step 3: Cross multiply
    20,377,898.37x = 28,161,847.94 × 16,701,015.56
  4. Step 4: Simplify right side
    20,377,898.37x = 470,331,460,419,979.62
  5. Step 5: Solve for x
    x = 470,331,460,419,979.62/20,377,898.37
  6. Step 6: Final answer
    x = 23,080,469.43

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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.