Home / 12,087,285.49-18,131,638.30-3,450,722.25

Finding the Fourth Proportional to 12,087,285.49, 18,131,638.30 and 3,450,722.25

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Solution

The fourth proportional to 12,087,285.49, 18,131,638.30 and 3,450,722.25 is: 5,176,286.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087,285.49 : 18,131,638.30 = 3,450,722.25 : x
  2. Step 2: Convert to fraction form
    12,087,285.49/18,131,638.30 = 3,450,722.25/x
  3. Step 3: Cross multiply
    12,087,285.49x = 18,131,638.30 × 3,450,722.25
  4. Step 4: Simplify right side
    12,087,285.49x = 62,567,247,702,135.37
  5. Step 5: Solve for x
    x = 62,567,247,702,135.37/12,087,285.49
  6. Step 6: Final answer
    x = 5,176,286.09

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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.