Home / 38,184,126.99-52,694,231.72-20,780,680.83

Finding the Fourth Proportional to 38,184,126.99, 52,694,231.72 and 20,780,680.83

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Solution

The fourth proportional to 38,184,126.99, 52,694,231.72 and 20,780,680.83 is: 28,677,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,184,126.99 : 52,694,231.72 = 20,780,680.83 : x
  2. Step 2: Convert to fraction form
    38,184,126.99/52,694,231.72 = 20,780,680.83/x
  3. Step 3: Cross multiply
    38,184,126.99x = 52,694,231.72 × 20,780,680.83
  4. Step 4: Simplify right side
    38,184,126.99x = 1,095,022,010,851,478.50
  5. Step 5: Solve for x
    x = 1,095,022,010,851,478.50/38,184,126.99
  6. Step 6: Final answer
    x = 28,677,413.81

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1.5x scale

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.