Home / 20,158,086.26-30,233,807.48-8,645,413.30

Finding the Fourth Proportional to 20,158,086.26, 30,233,807.48 and 8,645,413.30

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Solution

The fourth proportional to 20,158,086.26, 30,233,807.48 and 8,645,413.30 is: 12,966,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158,086.26 : 30,233,807.48 = 8,645,413.30 : x
  2. Step 2: Convert to fraction form
    20,158,086.26/30,233,807.48 = 8,645,413.30/x
  3. Step 3: Cross multiply
    20,158,086.26x = 30,233,807.48 × 8,645,413.30
  4. Step 4: Simplify right side
    20,158,086.26x = 261,383,761,243,260.50
  5. Step 5: Solve for x
    x = 261,383,761,243,260.50/20,158,086.26
  6. Step 6: Final answer
    x = 12,966,695.24

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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.