Home / 38,784,254.62-53,522,433.39-21,380,217.97

Finding the Fourth Proportional to 38,784,254.62, 53,522,433.39 and 21,380,217.97

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Solution

The fourth proportional to 38,784,254.62, 53,522,433.39 and 21,380,217.97 is: 29,504,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784,254.62 : 53,522,433.39 = 21,380,217.97 : x
  2. Step 2: Convert to fraction form
    38,784,254.62/53,522,433.39 = 21,380,217.97/x
  3. Step 3: Cross multiply
    38,784,254.62x = 53,522,433.39 × 21,380,217.97
  4. Step 4: Simplify right side
    38,784,254.62x = 1,144,321,292,163,006
  5. Step 5: Solve for x
    x = 1,144,321,292,163,006/38,784,254.62
  6. Step 6: Final answer
    x = 29,504,790.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.