Home / 22,164,346.05-30,597,164.43-12,870,105.75

Finding the Fourth Proportional to 22,164,346.05, 30,597,164.43 and 12,870,105.75

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Solution

The fourth proportional to 22,164,346.05, 30,597,164.43 and 12,870,105.75 is: 17,766,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,164,346.05 : 30,597,164.43 = 12,870,105.75 : x
  2. Step 2: Convert to fraction form
    22,164,346.05/30,597,164.43 = 12,870,105.75/x
  3. Step 3: Cross multiply
    22,164,346.05x = 30,597,164.43 × 12,870,105.75
  4. Step 4: Simplify right side
    22,164,346.05x = 393,788,741,864,238.44
  5. Step 5: Solve for x
    x = 393,788,741,864,238.44/22,164,346.05
  6. Step 6: Final answer
    x = 17,766,765.64

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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.