Home / 13,188,745.31-19,757,366.03-9,089,334.09

Finding the Fourth Proportional to 13,188,745.31, 19,757,366.03 and 9,089,334.09

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Solution

The fourth proportional to 13,188,745.31, 19,757,366.03 and 9,089,334.09 is: 13,616,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,745.31 : 19,757,366.03 = 9,089,334.09 : x
  2. Step 2: Convert to fraction form
    13,188,745.31/19,757,366.03 = 9,089,334.09/x
  3. Step 3: Cross multiply
    13,188,745.31x = 19,757,366.03 × 9,089,334.09
  4. Step 4: Simplify right side
    13,188,745.31x = 179,581,300,539,640.28
  5. Step 5: Solve for x
    x = 179,581,300,539,640.28/13,188,745.31
  6. Step 6: Final answer
    x = 13,616,253.58

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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.