Home / 20,151,099.45-27,808,524.72-11,449,283.49

Finding the Fourth Proportional to 20,151,099.45, 27,808,524.72 and 11,449,283.49

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Solution

The fourth proportional to 20,151,099.45, 27,808,524.72 and 11,449,283.49 is: 15,800,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,099.45 : 27,808,524.72 = 11,449,283.49 : x
  2. Step 2: Convert to fraction form
    20,151,099.45/27,808,524.72 = 11,449,283.49/x
  3. Step 3: Cross multiply
    20,151,099.45x = 27,808,524.72 × 11,449,283.49
  4. Step 4: Simplify right side
    20,151,099.45x = 318,387,682,957,952.88
  5. Step 5: Solve for x
    x = 318,387,682,957,952.88/20,151,099.45
  6. Step 6: Final answer
    x = 15,800,015.47

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1.5x scale

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.