Home / 18,053,935.21-27,087,644.31-7,274,294.29

Finding the Fourth Proportional to 18,053,935.21, 27,087,644.31 and 7,274,294.29

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Solution

The fourth proportional to 18,053,935.21, 27,087,644.31 and 7,274,294.29 is: 10,914,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053,935.21 : 27,087,644.31 = 7,274,294.29 : x
  2. Step 2: Convert to fraction form
    18,053,935.21/27,087,644.31 = 7,274,294.29/x
  3. Step 3: Cross multiply
    18,053,935.21x = 27,087,644.31 × 7,274,294.29
  4. Step 4: Simplify right side
    18,053,935.21x = 197,043,496,333,783.97
  5. Step 5: Solve for x
    x = 197,043,496,333,783.97/18,053,935.21
  6. Step 6: Final answer
    x = 10,914,157.72

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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.