Home / 39,951,112.86-59,928,413.42-12,659,416.88

Finding the Fourth Proportional to 39,951,112.86, 59,928,413.42 and 12,659,416.88

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Solution

The fourth proportional to 39,951,112.86, 59,928,413.42 and 12,659,416.88 is: 18,989,677.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951,112.86 : 59,928,413.42 = 12,659,416.88 : x
  2. Step 2: Convert to fraction form
    39,951,112.86/59,928,413.42 = 12,659,416.88/x
  3. Step 3: Cross multiply
    39,951,112.86x = 59,928,413.42 × 12,659,416.88
  4. Step 4: Simplify right side
    39,951,112.86x = 758,658,768,440,766.62
  5. Step 5: Solve for x
    x = 758,658,768,440,766.62/39,951,112.86
  6. Step 6: Final answer
    x = 18,989,677.99

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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.