Home / 16,001,387.78-22,081,914.44-8,659,221.14

Finding the Fourth Proportional to 16,001,387.78, 22,081,914.44 and 8,659,221.14

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Solution

The fourth proportional to 16,001,387.78, 22,081,914.44 and 8,659,221.14 is: 11,949,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,001,387.78 : 22,081,914.44 = 8,659,221.14 : x
  2. Step 2: Convert to fraction form
    16,001,387.78/22,081,914.44 = 8,659,221.14/x
  3. Step 3: Cross multiply
    16,001,387.78x = 22,081,914.44 × 8,659,221.14
  4. Step 4: Simplify right side
    16,001,387.78x = 191,212,180,176,813.56
  5. Step 5: Solve for x
    x = 191,212,180,176,813.56/16,001,387.78
  6. Step 6: Final answer
    x = 11,949,724.79

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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.