Home / 22,081,786.08-30,471,396.68-12,291,978.56

Finding the Fourth Proportional to 22,081,786.08, 30,471,396.68 and 12,291,978.56

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Solution

The fourth proportional to 22,081,786.08, 30,471,396.68 and 12,291,978.56 is: 16,962,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081,786.08 : 30,471,396.68 = 12,291,978.56 : x
  2. Step 2: Convert to fraction form
    22,081,786.08/30,471,396.68 = 12,291,978.56/x
  3. Step 3: Cross multiply
    22,081,786.08x = 30,471,396.68 × 12,291,978.56
  4. Step 4: Simplify right side
    22,081,786.08x = 374,553,754,469,998.31
  5. Step 5: Solve for x
    x = 374,553,754,469,998.31/22,081,786.08
  6. Step 6: Final answer
    x = 16,962,113.17

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1.5x scale

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.