Home / 23,189,850.64-31,994,817.34-13,396,721.60

Finding the Fourth Proportional to 23,189,850.64, 31,994,817.34 and 13,396,721.60

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Solution

The fourth proportional to 23,189,850.64, 31,994,817.34 and 13,396,721.60 is: 18,483,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189,850.64 : 31,994,817.34 = 13,396,721.60 : x
  2. Step 2: Convert to fraction form
    23,189,850.64/31,994,817.34 = 13,396,721.60/x
  3. Step 3: Cross multiply
    23,189,850.64x = 31,994,817.34 × 13,396,721.60
  4. Step 4: Simplify right side
    23,189,850.64x = 428,625,660,546,832.50
  5. Step 5: Solve for x
    x = 428,625,660,546,832.50/23,189,850.64
  6. Step 6: Final answer
    x = 18,483,329.94

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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.