Home / 13,558,007.88-18,702,240.66-8,122,350.60

Finding the Fourth Proportional to 13,558,007.88, 18,702,240.66 and 8,122,350.60

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Solution

The fourth proportional to 13,558,007.88, 18,702,240.66 and 8,122,350.60 is: 11,204,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,007.88 : 18,702,240.66 = 8,122,350.60 : x
  2. Step 2: Convert to fraction form
    13,558,007.88/18,702,240.66 = 8,122,350.60/x
  3. Step 3: Cross multiply
    13,558,007.88x = 18,702,240.66 × 8,122,350.60
  4. Step 4: Simplify right side
    13,558,007.88x = 151,906,155,646,095.38
  5. Step 5: Solve for x
    x = 151,906,155,646,095.38/13,558,007.88
  6. Step 6: Final answer
    x = 11,204,164.87

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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.