Home / 14,821,976.35-20,454,966.63-8,206,564.75

Finding the Fourth Proportional to 14,821,976.35, 20,454,966.63 and 8,206,564.75

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Solution

The fourth proportional to 14,821,976.35, 20,454,966.63 and 8,206,564.75 is: 11,325,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821,976.35 : 20,454,966.63 = 8,206,564.75 : x
  2. Step 2: Convert to fraction form
    14,821,976.35/20,454,966.63 = 8,206,564.75/x
  3. Step 3: Cross multiply
    14,821,976.35x = 20,454,966.63 × 8,206,564.75
  4. Step 4: Simplify right side
    14,821,976.35x = 167,865,008,108,184.28
  5. Step 5: Solve for x
    x = 167,865,008,108,184.28/14,821,976.35
  6. Step 6: Final answer
    x = 11,325,413.30

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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.