Home / 13,310,617.89-19,971,626.69-4,213,456.05

Finding the Fourth Proportional to 13,310,617.89, 19,971,626.69 and 4,213,456.05

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Solution

The fourth proportional to 13,310,617.89, 19,971,626.69 and 4,213,456.05 is: 6,321,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,617.89 : 19,971,626.69 = 4,213,456.05 : x
  2. Step 2: Convert to fraction form
    13,310,617.89/19,971,626.69 = 4,213,456.05/x
  3. Step 3: Cross multiply
    13,310,617.89x = 19,971,626.69 × 4,213,456.05
  4. Step 4: Simplify right side
    13,310,617.89x = 84,149,571,305,321.97
  5. Step 5: Solve for x
    x = 84,149,571,305,321.97/13,310,617.89
  6. Step 6: Final answer
    x = 6,321,988.36

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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.