Home / 13,309,841.31-18,367,593.26-7,198,269.81

Finding the Fourth Proportional to 13,309,841.31, 18,367,593.26 and 7,198,269.81

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Solution

The fourth proportional to 13,309,841.31, 18,367,593.26 and 7,198,269.81 is: 9,933,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,841.31 : 18,367,593.26 = 7,198,269.81 : x
  2. Step 2: Convert to fraction form
    13,309,841.31/18,367,593.26 = 7,198,269.81/x
  3. Step 3: Cross multiply
    13,309,841.31x = 18,367,593.26 × 7,198,269.81
  4. Step 4: Simplify right side
    13,309,841.31x = 132,214,892,009,826.11
  5. Step 5: Solve for x
    x = 132,214,892,009,826.11/13,309,841.31
  6. Step 6: Final answer
    x = 9,933,618.96

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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.