Home / 16,789,286.40-25,183,929.60-13,136,121.60

Finding the Fourth Proportional to 16,789,286.40, 25,183,929.60 and 13,136,121.60

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Solution

The fourth proportional to 16,789,286.40, 25,183,929.60 and 13,136,121.60 is: 19,704,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789,286.40 : 25,183,929.60 = 13,136,121.60 : x
  2. Step 2: Convert to fraction form
    16,789,286.40/25,183,929.60 = 13,136,121.60/x
  3. Step 3: Cross multiply
    16,789,286.40x = 25,183,929.60 × 13,136,121.60
  4. Step 4: Simplify right side
    16,789,286.40x = 330,819,161,591,439.38
  5. Step 5: Solve for x
    x = 330,819,161,591,439.38/16,789,286.40
  6. Step 6: Final answer
    x = 19,704,182.40

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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.