Home / 14,183,611.80-21,269,196.90-5,661,115.80

Finding the Fourth Proportional to 14,183,611.80, 21,269,196.90 and 5,661,115.80

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Solution

The fourth proportional to 14,183,611.80, 21,269,196.90 and 5,661,115.80 is: 8,489,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183,611.80 : 21,269,196.90 = 5,661,115.80 : x
  2. Step 2: Convert to fraction form
    14,183,611.80/21,269,196.90 = 5,661,115.80/x
  3. Step 3: Cross multiply
    14,183,611.80x = 21,269,196.90 × 5,661,115.80
  4. Step 4: Simplify right side
    14,183,611.80x = 120,407,386,623,901
  5. Step 5: Solve for x
    x = 120,407,386,623,901/14,183,611.80
  6. Step 6: Final answer
    x = 8,489,190.79

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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.