Home / 15,517,413.96-21,414,695.60-8,641,896.04

Finding the Fourth Proportional to 15,517,413.96, 21,414,695.60 and 8,641,896.04

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Solution

The fourth proportional to 15,517,413.96, 21,414,695.60 and 8,641,896.04 is: 11,926,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,413.96 : 21,414,695.60 = 8,641,896.04 : x
  2. Step 2: Convert to fraction form
    15,517,413.96/21,414,695.60 = 8,641,896.04/x
  3. Step 3: Cross multiply
    15,517,413.96x = 21,414,695.60 × 8,641,896.04
  4. Step 4: Simplify right side
    15,517,413.96x = 185,063,573,103,445.41
  5. Step 5: Solve for x
    x = 185,063,573,103,445.41/15,517,413.96
  6. Step 6: Final answer
    x = 11,926,186.51

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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.