Home / 12,139,084.51-18,207,052.11-5,753,394.43

Finding the Fourth Proportional to 12,139,084.51, 18,207,052.11 and 5,753,394.43

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Solution

The fourth proportional to 12,139,084.51, 18,207,052.11 and 5,753,394.43 is: 8,629,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,084.51 : 18,207,052.11 = 5,753,394.43 : x
  2. Step 2: Convert to fraction form
    12,139,084.51/18,207,052.11 = 5,753,394.43/x
  3. Step 3: Cross multiply
    12,139,084.51x = 18,207,052.11 × 5,753,394.43
  4. Step 4: Simplify right side
    12,139,084.51x = 104,752,352,196,393.73
  5. Step 5: Solve for x
    x = 104,752,352,196,393.73/12,139,084.51
  6. Step 6: Final answer
    x = 8,629,345.33

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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.