Home / 18,270,880.69-27,397,352.96-9,038,185.78

Finding the Fourth Proportional to 18,270,880.69, 27,397,352.96 and 9,038,185.78

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Solution

The fourth proportional to 18,270,880.69, 27,397,352.96 and 9,038,185.78 is: 13,552,842.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270,880.69 : 27,397,352.96 = 9,038,185.78 : x
  2. Step 2: Convert to fraction form
    18,270,880.69/27,397,352.96 = 9,038,185.78/x
  3. Step 3: Cross multiply
    18,270,880.69x = 27,397,352.96 × 9,038,185.78
  4. Step 4: Simplify right side
    18,270,880.69x = 247,622,365,750,535.22
  5. Step 5: Solve for x
    x = 247,622,365,750,535.22/18,270,880.69
  6. Step 6: Final answer
    x = 13,552,842.36

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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.