Home / 38,063,144.80-52,518,136.06-21,543,269.37

Finding the Fourth Proportional to 38,063,144.80, 52,518,136.06 and 21,543,269.37

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Solution

The fourth proportional to 38,063,144.80, 52,518,136.06 and 21,543,269.37 is: 29,724,615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,063,144.80 : 52,518,136.06 = 21,543,269.37 : x
  2. Step 2: Convert to fraction form
    38,063,144.80/52,518,136.06 = 21,543,269.37/x
  3. Step 3: Cross multiply
    38,063,144.80x = 52,518,136.06 × 21,543,269.37
  4. Step 4: Simplify right side
    38,063,144.80x = 1,131,412,351,711,878.75
  5. Step 5: Solve for x
    x = 1,131,412,351,711,878.75/38,063,144.80
  6. Step 6: Final answer
    x = 29,724,615.71

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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.