Home / 18,677,323.80-25,770,787.20-11,339,020.80

Finding the Fourth Proportional to 18,677,323.80, 25,770,787.20 and 11,339,020.80

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Solution

The fourth proportional to 18,677,323.80, 25,770,787.20 and 11,339,020.80 is: 15,645,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,323.80 : 25,770,787.20 = 11,339,020.80 : x
  2. Step 2: Convert to fraction form
    18,677,323.80/25,770,787.20 = 11,339,020.80/x
  3. Step 3: Cross multiply
    18,677,323.80x = 25,770,787.20 × 11,339,020.80
  4. Step 4: Simplify right side
    18,677,323.80x = 292,215,492,093,173.75
  5. Step 5: Solve for x
    x = 292,215,492,093,173.75/18,677,323.80
  6. Step 6: Final answer
    x = 15,645,469.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.