Home / 26,478,975-39,718,464.66-8,528,079

Finding the Fourth Proportional to 26,478,975, 39,718,464.66 and 8,528,079

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Solution

The fourth proportional to 26,478,975, 39,718,464.66 and 8,528,079 is: 12,792,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478,975 : 39,718,464.66 = 8,528,079 : x
  2. Step 2: Convert to fraction form
    26,478,975/39,718,464.66 = 8,528,079/x
  3. Step 3: Cross multiply
    26,478,975x = 39,718,464.66 × 8,528,079
  4. Step 4: Simplify right side
    26,478,975x = 338,722,204,379,188.12
  5. Step 5: Solve for x
    x = 338,722,204,379,188.12/26,478,975
  6. Step 6: Final answer
    x = 12,792,119.20

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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.