Home / 17,131,990.72-23,642,185.44-9,888,640.96

Finding the Fourth Proportional to 17,131,990.72, 23,642,185.44 and 9,888,640.96

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Solution

The fourth proportional to 17,131,990.72, 23,642,185.44 and 9,888,640.96 is: 13,646,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,131,990.72 : 23,642,185.44 = 9,888,640.96 : x
  2. Step 2: Convert to fraction form
    17,131,990.72/23,642,185.44 = 9,888,640.96/x
  3. Step 3: Cross multiply
    17,131,990.72x = 23,642,185.44 × 9,888,640.96
  4. Step 4: Simplify right side
    17,131,990.72x = 233,789,083,325,899.66
  5. Step 5: Solve for x
    x = 233,789,083,325,899.66/17,131,990.72
  6. Step 6: Final answer
    x = 13,646,346.60

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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.