Home / 12,059,381.90-18,085,185.46-3,970,431.62

Finding the Fourth Proportional to 12,059,381.90, 18,085,185.46 and 3,970,431.62

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Solution

The fourth proportional to 12,059,381.90, 18,085,185.46 and 3,970,431.62 is: 5,954,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059,381.90 : 18,085,185.46 = 3,970,431.62 : x
  2. Step 2: Convert to fraction form
    12,059,381.90/18,085,185.46 = 3,970,431.62/x
  3. Step 3: Cross multiply
    12,059,381.90x = 18,085,185.46 × 3,970,431.62
  4. Step 4: Simplify right side
    12,059,381.90x = 71,805,992,203,948.25
  5. Step 5: Solve for x
    x = 71,805,992,203,948.25/12,059,381.90
  6. Step 6: Final answer
    x = 5,954,367.55

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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.