Home / 11,518,299-17,280,290.25-3,431,243.22

Finding the Fourth Proportional to 11,518,299, 17,280,290.25 and 3,431,243.22

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Solution

The fourth proportional to 11,518,299, 17,280,290.25 and 3,431,243.22 is: 5,147,711.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518,299 : 17,280,290.25 = 3,431,243.22 : x
  2. Step 2: Convert to fraction form
    11,518,299/17,280,290.25 = 3,431,243.22/x
  3. Step 3: Cross multiply
    11,518,299x = 17,280,290.25 × 3,431,243.22
  4. Step 4: Simplify right side
    11,518,299x = 59,292,878,759,944.61
  5. Step 5: Solve for x
    x = 59,292,878,759,944.61/11,518,299
  6. Step 6: Final answer
    x = 5,147,711.37

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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.