Home / 18,737,344.20-28,106,016.30-11,179,072.20

Finding the Fourth Proportional to 18,737,344.20, 28,106,016.30 and 11,179,072.20

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Solution

The fourth proportional to 18,737,344.20, 28,106,016.30 and 11,179,072.20 is: 16,768,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737,344.20 : 28,106,016.30 = 11,179,072.20 : x
  2. Step 2: Convert to fraction form
    18,737,344.20/28,106,016.30 = 11,179,072.20/x
  3. Step 3: Cross multiply
    18,737,344.20x = 28,106,016.30 × 11,179,072.20
  4. Step 4: Simplify right side
    18,737,344.20x = 314,199,185,472,076.88
  5. Step 5: Solve for x
    x = 314,199,185,472,076.88/18,737,344.20
  6. Step 6: Final answer
    x = 16,768,608.30

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1.5x scale

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.