Home / 12,382,989.81-17,088,194.75-6,876,221.01

Finding the Fourth Proportional to 12,382,989.81, 17,088,194.75 and 6,876,221.01

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Solution

The fourth proportional to 12,382,989.81, 17,088,194.75 and 6,876,221.01 is: 9,489,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,989.81 : 17,088,194.75 = 6,876,221.01 : x
  2. Step 2: Convert to fraction form
    12,382,989.81/17,088,194.75 = 6,876,221.01/x
  3. Step 3: Cross multiply
    12,382,989.81x = 17,088,194.75 × 6,876,221.01
  4. Step 4: Simplify right side
    12,382,989.81x = 117,502,203,728,540.59
  5. Step 5: Solve for x
    x = 117,502,203,728,540.59/12,382,989.81
  6. Step 6: Final answer
    x = 9,489,001.08

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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.