Home / 20,618,224.06-28,453,215.46-11,450,866.54

Finding the Fourth Proportional to 20,618,224.06, 28,453,215.46 and 11,450,866.54

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Solution

The fourth proportional to 20,618,224.06, 28,453,215.46 and 11,450,866.54 is: 15,802,232.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618,224.06 : 28,453,215.46 = 11,450,866.54 : x
  2. Step 2: Convert to fraction form
    20,618,224.06/28,453,215.46 = 11,450,866.54/x
  3. Step 3: Cross multiply
    20,618,224.06x = 28,453,215.46 × 11,450,866.54
  4. Step 4: Simplify right side
    20,618,224.06x = 325,813,972,866,324.69
  5. Step 5: Solve for x
    x = 325,813,972,866,324.69/20,618,224.06
  6. Step 6: Final answer
    x = 15,802,232.62

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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.