Home / 27,212,872.20-40,763,321.10-13,757,281.80

Finding the Fourth Proportional to 27,212,872.20, 40,763,321.10 and 13,757,281.80

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Solution

The fourth proportional to 27,212,872.20, 40,763,321.10 and 13,757,281.80 is: 20,607,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,212,872.20 : 40,763,321.10 = 13,757,281.80 : x
  2. Step 2: Convert to fraction form
    27,212,872.20/40,763,321.10 = 13,757,281.80/x
  3. Step 3: Cross multiply
    27,212,872.20x = 40,763,321.10 × 13,757,281.80
  4. Step 4: Simplify right side
    27,212,872.20x = 560,792,495,476,586
  5. Step 5: Solve for x
    x = 560,792,495,476,586/27,212,872.20
  6. Step 6: Final answer
    x = 20,607,618.75

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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.