Home / 9,663,969.28-13,336,286.16-5,313,129.64

Finding the Fourth Proportional to 9,663,969.28, 13,336,286.16 and 5,313,129.64

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Solution

The fourth proportional to 9,663,969.28, 13,336,286.16 and 5,313,129.64 is: 7,332,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663,969.28 : 13,336,286.16 = 5,313,129.64 : x
  2. Step 2: Convert to fraction form
    9,663,969.28/13,336,286.16 = 5,313,129.64/x
  3. Step 3: Cross multiply
    9,663,969.28x = 13,336,286.16 × 5,313,129.64
  4. Step 4: Simplify right side
    9,663,969.28x = 70,857,417,284,217.78
  5. Step 5: Solve for x
    x = 70,857,417,284,217.78/9,663,969.28
  6. Step 6: Final answer
    x = 7,332,123.61

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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.