Home / 20,198,330.94-30,301,752.09-6,550,413.12

Finding the Fourth Proportional to 20,198,330.94, 30,301,752.09 and 6,550,413.12

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Solution

The fourth proportional to 20,198,330.94, 30,301,752.09 and 6,550,413.12 is: 9,826,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,330.94 : 30,301,752.09 = 6,550,413.12 : x
  2. Step 2: Convert to fraction form
    20,198,330.94/30,301,752.09 = 6,550,413.12/x
  3. Step 3: Cross multiply
    20,198,330.94x = 30,301,752.09 × 6,550,413.12
  4. Step 4: Simplify right side
    20,198,330.94x = 198,488,994,522,261.56
  5. Step 5: Solve for x
    x = 198,488,994,522,261.56/20,198,330.94
  6. Step 6: Final answer
    x = 9,826,999.82

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1.5x scale

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.