Home / 13,585,814.28-20,378,717.70-9,313,028.64

Finding the Fourth Proportional to 13,585,814.28, 20,378,717.70 and 9,313,028.64

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Solution

The fourth proportional to 13,585,814.28, 20,378,717.70 and 9,313,028.64 is: 13,969,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,814.28 : 20,378,717.70 = 9,313,028.64 : x
  2. Step 2: Convert to fraction form
    13,585,814.28/20,378,717.70 = 9,313,028.64/x
  3. Step 3: Cross multiply
    13,585,814.28x = 20,378,717.70 × 9,313,028.64
  4. Step 4: Simplify right side
    13,585,814.28x = 189,787,581,586,574.94
  5. Step 5: Solve for x
    x = 189,787,581,586,574.94/13,585,814.28
  6. Step 6: Final answer
    x = 13,969,540.41

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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.