Home / 38,079,144.38-57,126,910.78-11,817,461.46

Finding the Fourth Proportional to 38,079,144.38, 57,126,910.78 and 11,817,461.46

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Solution

The fourth proportional to 38,079,144.38, 57,126,910.78 and 11,817,461.46 is: 17,728,735.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079,144.38 : 57,126,910.78 = 11,817,461.46 : x
  2. Step 2: Convert to fraction form
    38,079,144.38/57,126,910.78 = 11,817,461.46/x
  3. Step 3: Cross multiply
    38,079,144.38x = 57,126,910.78 × 11,817,461.46
  4. Step 4: Simplify right side
    38,079,144.38x = 675,095,066,441,965
  5. Step 5: Solve for x
    x = 675,095,066,441,965/38,079,144.38
  6. Step 6: Final answer
    x = 17,728,735.17

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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.