Home / 13,229,762.39-18,214,840.13-11,288,231.27

Finding the Fourth Proportional to 13,229,762.39, 18,214,840.13 and 11,288,231.27

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Solution

The fourth proportional to 13,229,762.39, 18,214,840.13 and 11,288,231.27 is: 15,541,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229,762.39 : 18,214,840.13 = 11,288,231.27 : x
  2. Step 2: Convert to fraction form
    13,229,762.39/18,214,840.13 = 11,288,231.27/x
  3. Step 3: Cross multiply
    13,229,762.39x = 18,214,840.13 × 11,288,231.27
  4. Step 4: Simplify right side
    13,229,762.39x = 205,613,327,933,516.84
  5. Step 5: Solve for x
    x = 205,613,327,933,516.84/13,229,762.39
  6. Step 6: Final answer
    x = 15,541,724.93

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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.