Home / 13,331,401.05-18,398,829.59-7,530,556.38

Finding the Fourth Proportional to 13,331,401.05, 18,398,829.59 and 7,530,556.38

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Solution

The fourth proportional to 13,331,401.05, 18,398,829.59 and 7,530,556.38 is: 10,393,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,401.05 : 18,398,829.59 = 7,530,556.38 : x
  2. Step 2: Convert to fraction form
    13,331,401.05/18,398,829.59 = 7,530,556.38/x
  3. Step 3: Cross multiply
    13,331,401.05x = 18,398,829.59 × 7,530,556.38
  4. Step 4: Simplify right side
    13,331,401.05x = 138,553,423,620,951.27
  5. Step 5: Solve for x
    x = 138,553,423,620,951.27/13,331,401.05
  6. Step 6: Final answer
    x = 10,393,012.94

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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.