Home / 13,308,165.54-18,358,286.69-11,561,911.31

Finding the Fourth Proportional to 13,308,165.54, 18,358,286.69 and 11,561,911.31

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Solution

The fourth proportional to 13,308,165.54, 18,358,286.69 and 11,561,911.31 is: 15,949,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,165.54 : 18,358,286.69 = 11,561,911.31 : x
  2. Step 2: Convert to fraction form
    13,308,165.54/18,358,286.69 = 11,561,911.31/x
  3. Step 3: Cross multiply
    13,308,165.54x = 18,358,286.69 × 11,561,911.31
  4. Step 4: Simplify right side
    13,308,165.54x = 212,256,882,363,732.44
  5. Step 5: Solve for x
    x = 212,256,882,363,732.44/13,308,165.54
  6. Step 6: Final answer
    x = 15,949,371.96

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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.