Home / 8,040,661.20-12,060,991.80-7,667,413.20

Finding the Fourth Proportional to 8,040,661.20, 12,060,991.80 and 7,667,413.20

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Solution

The fourth proportional to 8,040,661.20, 12,060,991.80 and 7,667,413.20 is: 11,501,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040,661.20 : 12,060,991.80 = 7,667,413.20 : x
  2. Step 2: Convert to fraction form
    8,040,661.20/12,060,991.80 = 7,667,413.20/x
  3. Step 3: Cross multiply
    8,040,661.20x = 12,060,991.80 × 7,667,413.20
  4. Step 4: Simplify right side
    8,040,661.20x = 92,476,607,732,411.77
  5. Step 5: Solve for x
    x = 92,476,607,732,411.77/8,040,661.20
  6. Step 6: Final answer
    x = 11,501,119.80

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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.