Home / 18,880,221.72-28,320,497.82-6,100,728.60

Finding the Fourth Proportional to 18,880,221.72, 28,320,497.82 and 6,100,728.60

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Solution

The fourth proportional to 18,880,221.72, 28,320,497.82 and 6,100,728.60 is: 9,151,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880,221.72 : 28,320,497.82 = 6,100,728.60 : x
  2. Step 2: Convert to fraction form
    18,880,221.72/28,320,497.82 = 6,100,728.60/x
  3. Step 3: Cross multiply
    18,880,221.72x = 28,320,497.82 × 6,100,728.60
  4. Step 4: Simplify right side
    18,880,221.72x = 172,775,671,016,711.66
  5. Step 5: Solve for x
    x = 172,775,671,016,711.66/18,880,221.72
  6. Step 6: Final answer
    x = 9,151,146.29

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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.