Home / 13,972,293.67-20,957,239.88-8,505,969.69

Finding the Fourth Proportional to 13,972,293.67, 20,957,239.88 and 8,505,969.69

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Solution

The fourth proportional to 13,972,293.67, 20,957,239.88 and 8,505,969.69 is: 12,758,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972,293.67 : 20,957,239.88 = 8,505,969.69 : x
  2. Step 2: Convert to fraction form
    13,972,293.67/20,957,239.88 = 8,505,969.69/x
  3. Step 3: Cross multiply
    13,972,293.67x = 20,957,239.88 × 8,505,969.69
  4. Step 4: Simplify right side
    13,972,293.67x = 178,261,647,205,339.22
  5. Step 5: Solve for x
    x = 178,261,647,205,339.22/13,972,293.67
  6. Step 6: Final answer
    x = 12,758,223.63

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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.