Home / 18,094,087.80-27,141,131.70-11,929,372.20

Finding the Fourth Proportional to 18,094,087.80, 27,141,131.70 and 11,929,372.20

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Solution

The fourth proportional to 18,094,087.80, 27,141,131.70 and 11,929,372.20 is: 17,894,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,094,087.80 : 27,141,131.70 = 11,929,372.20 : x
  2. Step 2: Convert to fraction form
    18,094,087.80/27,141,131.70 = 11,929,372.20/x
  3. Step 3: Cross multiply
    18,094,087.80x = 27,141,131.70 × 11,929,372.20
  4. Step 4: Simplify right side
    18,094,087.80x = 323,776,661,978,518.69
  5. Step 5: Solve for x
    x = 323,776,661,978,518.69/18,094,087.80
  6. Step 6: Final answer
    x = 17,894,058.30

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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.