Home / 11,949,519.51-17,924,251.92-5,121,665.42

Finding the Fourth Proportional to 11,949,519.51, 17,924,251.92 and 5,121,665.42

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Solution

The fourth proportional to 11,949,519.51, 17,924,251.92 and 5,121,665.42 is: 7,682,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949,519.51 : 17,924,251.92 = 5,121,665.42 : x
  2. Step 2: Convert to fraction form
    11,949,519.51/17,924,251.92 = 5,121,665.42/x
  3. Step 3: Cross multiply
    11,949,519.51x = 17,924,251.92 × 5,121,665.42
  4. Step 4: Simplify right side
    11,949,519.51x = 91,802,021,129,205.11
  5. Step 5: Solve for x
    x = 91,802,021,129,205.11/11,949,519.51
  6. Step 6: Final answer
    x = 7,682,486.40

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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.