Home / 21,738,505.56-29,998,734.09-11,948,740.41

Finding the Fourth Proportional to 21,738,505.56, 29,998,734.09 and 11,948,740.41

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Solution

The fourth proportional to 21,738,505.56, 29,998,734.09 and 11,948,740.41 is: 16,489,039.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738,505.56 : 29,998,734.09 = 11,948,740.41 : x
  2. Step 2: Convert to fraction form
    21,738,505.56/29,998,734.09 = 11,948,740.41/x
  3. Step 3: Cross multiply
    21,738,505.56x = 29,998,734.09 × 11,948,740.41
  4. Step 4: Simplify right side
    21,738,505.56x = 358,447,086,404,938.69
  5. Step 5: Solve for x
    x = 358,447,086,404,938.69/21,738,505.56
  6. Step 6: Final answer
    x = 16,489,039.94

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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.