Home / 21,457,132.52-29,610,996.96-11,667,506.56

Finding the Fourth Proportional to 21,457,132.52, 29,610,996.96 and 11,667,506.56

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Solution

The fourth proportional to 21,457,132.52, 29,610,996.96 and 11,667,506.56 is: 16,101,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457,132.52 : 29,610,996.96 = 11,667,506.56 : x
  2. Step 2: Convert to fraction form
    21,457,132.52/29,610,996.96 = 11,667,506.56/x
  3. Step 3: Cross multiply
    21,457,132.52x = 29,610,996.96 × 11,667,506.56
  4. Step 4: Simplify right side
    21,457,132.52x = 345,486,501,278,940.06
  5. Step 5: Solve for x
    x = 345,486,501,278,940.06/21,457,132.52
  6. Step 6: Final answer
    x = 16,101,242.84

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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.