Home / 11,949,645.96-17,924,479.74-5,121,788.22

Finding the Fourth Proportional to 11,949,645.96, 17,924,479.74 and 5,121,788.22

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Solution

The fourth proportional to 11,949,645.96, 17,924,479.74 and 5,121,788.22 is: 7,682,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949,645.96 : 17,924,479.74 = 5,121,788.22 : x
  2. Step 2: Convert to fraction form
    11,949,645.96/17,924,479.74 = 5,121,788.22/x
  3. Step 3: Cross multiply
    11,949,645.96x = 17,924,479.74 × 5,121,788.22
  4. Step 4: Simplify right side
    11,949,645.96x = 91,805,389,181,960.66
  5. Step 5: Solve for x
    x = 91,805,389,181,960.66/11,949,645.96
  6. Step 6: Final answer
    x = 7,682,686.96

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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.