Home / 11,982,409.80-17,973,614.70-7,951,331.40

Finding the Fourth Proportional to 11,982,409.80, 17,973,614.70 and 7,951,331.40

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Solution

The fourth proportional to 11,982,409.80, 17,973,614.70 and 7,951,331.40 is: 11,926,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982,409.80 : 17,973,614.70 = 7,951,331.40 : x
  2. Step 2: Convert to fraction form
    11,982,409.80/17,973,614.70 = 7,951,331.40/x
  3. Step 3: Cross multiply
    11,982,409.80x = 17,973,614.70 × 7,951,331.40
  4. Step 4: Simplify right side
    11,982,409.80x = 142,914,166,935,611.59
  5. Step 5: Solve for x
    x = 142,914,166,935,611.59/11,982,409.80
  6. Step 6: Final answer
    x = 11,926,997.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.