Home / 13,193,717.56-18,207,317.54-7,392,540.90

Finding the Fourth Proportional to 13,193,717.56, 18,207,317.54 and 7,392,540.90

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Solution

The fourth proportional to 13,193,717.56, 18,207,317.54 and 7,392,540.90 is: 10,201,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193,717.56 : 18,207,317.54 = 7,392,540.90 : x
  2. Step 2: Convert to fraction form
    13,193,717.56/18,207,317.54 = 7,392,540.90/x
  3. Step 3: Cross multiply
    13,193,717.56x = 18,207,317.54 × 7,392,540.90
  4. Step 4: Simplify right side
    13,193,717.56x = 134,598,339,593,737.39
  5. Step 5: Solve for x
    x = 134,598,339,593,737.39/13,193,717.56
  6. Step 6: Final answer
    x = 10,201,699.33

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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.