Home / 18,627,172.84-27,940,768.98-8,380,066.96

Finding the Fourth Proportional to 18,627,172.84, 27,940,768.98 and 8,380,066.96

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Solution

The fourth proportional to 18,627,172.84, 27,940,768.98 and 8,380,066.96 is: 12,570,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627,172.84 : 27,940,768.98 = 8,380,066.96 : x
  2. Step 2: Convert to fraction form
    18,627,172.84/27,940,768.98 = 8,380,066.96/x
  3. Step 3: Cross multiply
    18,627,172.84x = 27,940,768.98 × 8,380,066.96
  4. Step 4: Simplify right side
    18,627,172.84x = 234,145,514,966,290.91
  5. Step 5: Solve for x
    x = 234,145,514,966,290.91/18,627,172.84
  6. Step 6: Final answer
    x = 12,570,104.81

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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.