Home / 13,763,920.64-20,644,546.89-4,179,383.42

Finding the Fourth Proportional to 13,763,920.64, 20,644,546.89 and 4,179,383.42

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Solution

The fourth proportional to 13,763,920.64, 20,644,546.89 and 4,179,383.42 is: 6,268,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763,920.64 : 20,644,546.89 = 4,179,383.42 : x
  2. Step 2: Convert to fraction form
    13,763,920.64/20,644,546.89 = 4,179,383.42/x
  3. Step 3: Cross multiply
    13,763,920.64x = 20,644,546.89 × 4,179,383.42
  4. Step 4: Simplify right side
    13,763,920.64x = 86,281,476,985,478.56
  5. Step 5: Solve for x
    x = 86,281,476,985,478.56/13,763,920.64
  6. Step 6: Final answer
    x = 6,268,670.04

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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.