Home / 18,136,079.01-25,027,790.62-9,876,138.83

Finding the Fourth Proportional to 18,136,079.01, 25,027,790.62 and 9,876,138.83

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Solution

The fourth proportional to 18,136,079.01, 25,027,790.62 and 9,876,138.83 is: 13,629,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136,079.01 : 25,027,790.62 = 9,876,138.83 : x
  2. Step 2: Convert to fraction form
    18,136,079.01/25,027,790.62 = 9,876,138.83/x
  3. Step 3: Cross multiply
    18,136,079.01x = 25,027,790.62 × 9,876,138.83
  4. Step 4: Simplify right side
    18,136,079.01x = 247,177,934,771,291.78
  5. Step 5: Solve for x
    x = 247,177,934,771,291.78/18,136,079.01
  6. Step 6: Final answer
    x = 13,629,072.45

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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.