Home / 19,881,204.72-27,436,226.38-11,179,301.21

Finding the Fourth Proportional to 19,881,204.72, 27,436,226.38 and 11,179,301.21

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Solution

The fourth proportional to 19,881,204.72, 27,436,226.38 and 11,179,301.21 is: 15,427,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,881,204.72 : 27,436,226.38 = 11,179,301.21 : x
  2. Step 2: Convert to fraction form
    19,881,204.72/27,436,226.38 = 11,179,301.21/x
  3. Step 3: Cross multiply
    19,881,204.72x = 27,436,226.38 × 11,179,301.21
  4. Step 4: Simplify right side
    19,881,204.72x = 306,717,838,705,524.38
  5. Step 5: Solve for x
    x = 306,717,838,705,524.38/19,881,204.72
  6. Step 6: Final answer
    x = 15,427,527.81

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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.