Home / 18,979,553.22-28,463,441.77-6,847,439.54

Finding the Fourth Proportional to 18,979,553.22, 28,463,441.77 and 6,847,439.54

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Solution

The fourth proportional to 18,979,553.22, 28,463,441.77 and 6,847,439.54 is: 10,269,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,553.22 : 28,463,441.77 = 6,847,439.54 : x
  2. Step 2: Convert to fraction form
    18,979,553.22/28,463,441.77 = 6,847,439.54/x
  3. Step 3: Cross multiply
    18,979,553.22x = 28,463,441.77 × 6,847,439.54
  4. Step 4: Simplify right side
    18,979,553.22x = 194,901,696,620,385.59
  5. Step 5: Solve for x
    x = 194,901,696,620,385.59/18,979,553.22
  6. Step 6: Final answer
    x = 10,269,035.02

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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.