Home / 20,702,747.10-28,568,625.12-11,410,289.01

Finding the Fourth Proportional to 20,702,747.10, 28,568,625.12 and 11,410,289.01

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Solution

The fourth proportional to 20,702,747.10, 28,568,625.12 and 11,410,289.01 is: 15,745,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,747.10 : 28,568,625.12 = 11,410,289.01 : x
  2. Step 2: Convert to fraction form
    20,702,747.10/28,568,625.12 = 11,410,289.01/x
  3. Step 3: Cross multiply
    20,702,747.10x = 28,568,625.12 × 11,410,289.01
  4. Step 4: Simplify right side
    20,702,747.10x = 325,976,269,237,545.94
  5. Step 5: Solve for x
    x = 325,976,269,237,545.94/20,702,747.10
  6. Step 6: Final answer
    x = 15,745,556.26

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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.