Home / 12,059,388.66-18,085,195.56-3,970,438.40

Finding the Fourth Proportional to 12,059,388.66, 18,085,195.56 and 3,970,438.40

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Solution

The fourth proportional to 12,059,388.66, 18,085,195.56 and 3,970,438.40 is: 5,954,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059,388.66 : 18,085,195.56 = 3,970,438.40 : x
  2. Step 2: Convert to fraction form
    12,059,388.66/18,085,195.56 = 3,970,438.40/x
  3. Step 3: Cross multiply
    12,059,388.66x = 18,085,195.56 × 3,970,438.40
  4. Step 4: Simplify right side
    12,059,388.66x = 71,806,154,922,933.50
  5. Step 5: Solve for x
    x = 71,806,154,922,933.50/12,059,388.66
  6. Step 6: Final answer
    x = 5,954,377.70

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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.