Home / 18,091,520.80-27,137,281.20-16,886,921.20

Finding the Fourth Proportional to 18,091,520.80, 27,137,281.20 and 16,886,921.20

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Solution

The fourth proportional to 18,091,520.80, 27,137,281.20 and 16,886,921.20 is: 25,330,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091,520.80 : 27,137,281.20 = 16,886,921.20 : x
  2. Step 2: Convert to fraction form
    18,091,520.80/27,137,281.20 = 16,886,921.20/x
  3. Step 3: Cross multiply
    18,091,520.80x = 27,137,281.20 × 16,886,921.20
  4. Step 4: Simplify right side
    18,091,520.80x = 458,265,129,206,641.44
  5. Step 5: Solve for x
    x = 458,265,129,206,641.44/18,091,520.80
  6. Step 6: Final answer
    x = 25,330,381.80

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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.