Home / 12,252,436.08-18,380,842.92-4,164,986.76

Finding the Fourth Proportional to 12,252,436.08, 18,380,842.92 and 4,164,986.76

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Solution

The fourth proportional to 12,252,436.08, 18,380,842.92 and 4,164,986.76 is: 6,248,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,436.08 : 18,380,842.92 = 4,164,986.76 : x
  2. Step 2: Convert to fraction form
    12,252,436.08/18,380,842.92 = 4,164,986.76/x
  3. Step 3: Cross multiply
    12,252,436.08x = 18,380,842.92 × 4,164,986.76
  4. Step 4: Simplify right side
    12,252,436.08x = 76,555,967,399,439.75
  5. Step 5: Solve for x
    x = 76,555,967,399,439.75/12,252,436.08
  6. Step 6: Final answer
    x = 6,248,224.18

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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.