Home / 18,144,945.80-27,229,860.30-8,054,808.20

Finding the Fourth Proportional to 18,144,945.80, 27,229,860.30 and 8,054,808.20

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Solution

The fourth proportional to 18,144,945.80, 27,229,860.30 and 8,054,808.20 is: 12,087,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,945.80 : 27,229,860.30 = 8,054,808.20 : x
  2. Step 2: Convert to fraction form
    18,144,945.80/27,229,860.30 = 8,054,808.20/x
  3. Step 3: Cross multiply
    18,144,945.80x = 27,229,860.30 × 8,054,808.20
  4. Step 4: Simplify right side
    18,144,945.80x = 219,331,302,029,294.47
  5. Step 5: Solve for x
    x = 219,331,302,029,294.47/18,144,945.80
  6. Step 6: Final answer
    x = 12,087,735.31

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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.