Home / 17,117,139.40-25,628,469.90-13,338,003.40

Finding the Fourth Proportional to 17,117,139.40, 25,628,469.90 and 13,338,003.40

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Solution

The fourth proportional to 17,117,139.40, 25,628,469.90 and 13,338,003.40 is: 19,970,195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117,139.40 : 25,628,469.90 = 13,338,003.40 : x
  2. Step 2: Convert to fraction form
    17,117,139.40/25,628,469.90 = 13,338,003.40/x
  3. Step 3: Cross multiply
    17,117,139.40x = 25,628,469.90 × 13,338,003.40
  4. Step 4: Simplify right side
    17,117,139.40x = 341,832,618,662,997.62
  5. Step 5: Solve for x
    x = 341,832,618,662,997.62/17,117,139.40
  6. Step 6: Final answer
    x = 19,970,195.41

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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.