Home / 12,059,396.40-18,085,207.20-3,970,446.12

Finding the Fourth Proportional to 12,059,396.40, 18,085,207.20 and 3,970,446.12

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Solution

The fourth proportional to 12,059,396.40, 18,085,207.20 and 3,970,446.12 is: 5,954,389.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059,396.40 : 18,085,207.20 = 3,970,446.12 : x
  2. Step 2: Convert to fraction form
    12,059,396.40/18,085,207.20 = 3,970,446.12/x
  3. Step 3: Cross multiply
    12,059,396.40x = 18,085,207.20 × 3,970,446.12
  4. Step 4: Simplify right side
    12,059,396.40x = 71,806,340,756,636.06
  5. Step 5: Solve for x
    x = 71,806,340,756,636.06/12,059,396.40
  6. Step 6: Final answer
    x = 5,954,389.29

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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.