Home / 13,585,819.60-20,378,725.75-9,313,033.96

Finding the Fourth Proportional to 13,585,819.60, 20,378,725.75 and 9,313,033.96

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Solution

The fourth proportional to 13,585,819.60, 20,378,725.75 and 9,313,033.96 is: 13,969,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,819.60 : 20,378,725.75 = 9,313,033.96 : x
  2. Step 2: Convert to fraction form
    13,585,819.60/20,378,725.75 = 9,313,033.96/x
  3. Step 3: Cross multiply
    13,585,819.60x = 20,378,725.75 × 9,313,033.96
  4. Step 4: Simplify right side
    13,585,819.60x = 189,787,764,822,817.69
  5. Step 5: Solve for x
    x = 189,787,764,822,817.69/13,585,819.60
  6. Step 6: Final answer
    x = 13,969,548.43

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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.