Home / 11,947,629.15-17,921,327.09-3,428,010.27

Finding the Fourth Proportional to 11,947,629.15, 17,921,327.09 and 3,428,010.27

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Solution

The fourth proportional to 11,947,629.15, 17,921,327.09 and 3,428,010.27 is: 5,141,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947,629.15 : 17,921,327.09 = 3,428,010.27 : x
  2. Step 2: Convert to fraction form
    11,947,629.15/17,921,327.09 = 3,428,010.27/x
  3. Step 3: Cross multiply
    11,947,629.15x = 17,921,327.09 × 3,428,010.27
  4. Step 4: Simplify right side
    11,947,629.15x = 61,434,493,299,409.16
  5. Step 5: Solve for x
    x = 61,434,493,299,409.16/11,947,629.15
  6. Step 6: Final answer
    x = 5,141,981.94

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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.