Home / 20,533,986-30,831,257.61-11,453,824.44

Finding the Fourth Proportional to 20,533,986, 30,831,257.61 and 11,453,824.44

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Solution

The fourth proportional to 20,533,986, 30,831,257.61 and 11,453,824.44 is: 17,197,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533,986 : 30,831,257.61 = 11,453,824.44 : x
  2. Step 2: Convert to fraction form
    20,533,986/30,831,257.61 = 11,453,824.44/x
  3. Step 3: Cross multiply
    20,533,986x = 30,831,257.61 × 11,453,824.44
  4. Step 4: Simplify right side
    20,533,986x = 353,135,811,929,353.94
  5. Step 5: Solve for x
    x = 353,135,811,929,353.94/20,533,986
  6. Step 6: Final answer
    x = 17,197,626.02

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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.