Home / 20,491,610.60-30,772,845.30-10,925,672.60

Finding the Fourth Proportional to 20,491,610.60, 30,772,845.30 and 10,925,672.60

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Solution

The fourth proportional to 20,491,610.60, 30,772,845.30 and 10,925,672.60 is: 16,407,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491,610.60 : 30,772,845.30 = 10,925,672.60 : x
  2. Step 2: Convert to fraction form
    20,491,610.60/30,772,845.30 = 10,925,672.60/x
  3. Step 3: Cross multiply
    20,491,610.60x = 30,772,845.30 × 10,925,672.60
  4. Step 4: Simplify right side
    20,491,610.60x = 336,214,032,718,248.75
  5. Step 5: Solve for x
    x = 336,214,032,718,248.75/20,491,610.60
  6. Step 6: Final answer
    x = 16,407,399.07

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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.