Home / 12,139,080.26-18,207,045.74-5,753,390.18

Finding the Fourth Proportional to 12,139,080.26, 18,207,045.74 and 5,753,390.18

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Solution

The fourth proportional to 12,139,080.26, 18,207,045.74 and 5,753,390.18 is: 8,629,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,080.26 : 18,207,045.74 = 5,753,390.18 : x
  2. Step 2: Convert to fraction form
    12,139,080.26/18,207,045.74 = 5,753,390.18/x
  3. Step 3: Cross multiply
    12,139,080.26x = 18,207,045.74 × 5,753,390.18
  4. Step 4: Simplify right side
    12,139,080.26x = 104,752,238,167,326.81
  5. Step 5: Solve for x
    x = 104,752,238,167,326.81/12,139,080.26
  6. Step 6: Final answer
    x = 8,629,338.96

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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.