Home / 20,263,353.24-27,962,885.97-11,561,367.72

Finding the Fourth Proportional to 20,263,353.24, 27,962,885.97 and 11,561,367.72

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Solution

The fourth proportional to 20,263,353.24, 27,962,885.97 and 11,561,367.72 is: 15,954,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263,353.24 : 27,962,885.97 = 11,561,367.72 : x
  2. Step 2: Convert to fraction form
    20,263,353.24/27,962,885.97 = 11,561,367.72/x
  3. Step 3: Cross multiply
    20,263,353.24x = 27,962,885.97 × 11,561,367.72
  4. Step 4: Simplify right side
    20,263,353.24x = 323,289,207,211,598.88
  5. Step 5: Solve for x
    x = 323,289,207,211,598.88/20,263,353.24
  6. Step 6: Final answer
    x = 15,954,378.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.