Home / 12,112,693.68-18,171,741.12-3,476,120.87

Finding the Fourth Proportional to 12,112,693.68, 18,171,741.12 and 3,476,120.87

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Solution

The fourth proportional to 12,112,693.68, 18,171,741.12 and 3,476,120.87 is: 5,214,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,693.68 : 18,171,741.12 = 3,476,120.87 : x
  2. Step 2: Convert to fraction form
    12,112,693.68/18,171,741.12 = 3,476,120.87/x
  3. Step 3: Cross multiply
    12,112,693.68x = 18,171,741.12 × 3,476,120.87
  4. Step 4: Simplify right side
    12,112,693.68x = 63,167,168,613,194.58
  5. Step 5: Solve for x
    x = 63,167,168,613,194.58/12,112,693.68
  6. Step 6: Final answer
    x = 5,214,956.33

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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.