Home / 18,753,171.84-28,134,000-5,974,404.48

Finding the Fourth Proportional to 18,753,171.84, 28,134,000 and 5,974,404.48

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Solution

The fourth proportional to 18,753,171.84, 28,134,000 and 5,974,404.48 is: 8,962,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753,171.84 : 28,134,000 = 5,974,404.48 : x
  2. Step 2: Convert to fraction form
    18,753,171.84/28,134,000 = 5,974,404.48/x
  3. Step 3: Cross multiply
    18,753,171.84x = 28,134,000 × 5,974,404.48
  4. Step 4: Simplify right side
    18,753,171.84x = 168,083,895,640,320
  5. Step 5: Solve for x
    x = 168,083,895,640,320/18,753,171.84
  6. Step 6: Final answer
    x = 8,962,958.22

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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.