Home / 16,890,195.68-23,307,845.60-9,155,071.92

Finding the Fourth Proportional to 16,890,195.68, 23,307,845.60 and 9,155,071.92

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Solution

The fourth proportional to 16,890,195.68, 23,307,845.60 and 9,155,071.92 is: 12,633,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890,195.68 : 23,307,845.60 = 9,155,071.92 : x
  2. Step 2: Convert to fraction form
    16,890,195.68/23,307,845.60 = 9,155,071.92/x
  3. Step 3: Cross multiply
    16,890,195.68x = 23,307,845.60 × 9,155,071.92
  4. Step 4: Simplify right side
    16,890,195.68x = 213,385,002,768,255.56
  5. Step 5: Solve for x
    x = 213,385,002,768,255.56/16,890,195.68
  6. Step 6: Final answer
    x = 12,633,660.78

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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.