Home / 11,179,008.90-16,772,058.12-3,990,383.64

Finding the Fourth Proportional to 11,179,008.90, 16,772,058.12 and 3,990,383.64

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Solution

The fourth proportional to 11,179,008.90, 16,772,058.12 and 3,990,383.64 is: 5,986,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179,008.90 : 16,772,058.12 = 3,990,383.64 : x
  2. Step 2: Convert to fraction form
    11,179,008.90/16,772,058.12 = 3,990,383.64/x
  3. Step 3: Cross multiply
    11,179,008.90x = 16,772,058.12 × 3,990,383.64
  4. Step 4: Simplify right side
    11,179,008.90x = 66,926,946,331,177.16
  5. Step 5: Solve for x
    x = 66,926,946,331,177.16/11,179,008.90
  6. Step 6: Final answer
    x = 5,986,840.78

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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.