Home / 13,085,502.97-18,057,124.11-7,284,135.55

Finding the Fourth Proportional to 13,085,502.97, 18,057,124.11 and 7,284,135.55

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Solution

The fourth proportional to 13,085,502.97, 18,057,124.11 and 7,284,135.55 is: 10,051,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085,502.97 : 18,057,124.11 = 7,284,135.55 : x
  2. Step 2: Convert to fraction form
    13,085,502.97/18,057,124.11 = 7,284,135.55/x
  3. Step 3: Cross multiply
    13,085,502.97x = 18,057,124.11 × 7,284,135.55
  4. Step 4: Simplify right side
    13,085,502.97x = 131,530,539,660,413.11
  5. Step 5: Solve for x
    x = 131,530,539,660,413.11/13,085,502.97
  6. Step 6: Final answer
    x = 10,051,622.77

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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.