Home / 36,266,136.80-54,399,205.20-12,331,608.80

Finding the Fourth Proportional to 36,266,136.80, 54,399,205.20 and 12,331,608.80

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Solution

The fourth proportional to 36,266,136.80, 54,399,205.20 and 12,331,608.80 is: 18,497,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,266,136.80 : 54,399,205.20 = 12,331,608.80 : x
  2. Step 2: Convert to fraction form
    36,266,136.80/54,399,205.20 = 12,331,608.80/x
  3. Step 3: Cross multiply
    36,266,136.80x = 54,399,205.20 × 12,331,608.80
  4. Step 4: Simplify right side
    36,266,136.80x = 670,829,717,557,325.88
  5. Step 5: Solve for x
    x = 670,829,717,557,325.88/36,266,136.80
  6. Step 6: Final answer
    x = 18,497,413.20

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Similar ratio
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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.