Home / 13,640,754.78-18,792,265.58-9,503,302.12

Finding the Fourth Proportional to 13,640,754.78, 18,792,265.58 and 9,503,302.12

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Solution

The fourth proportional to 13,640,754.78, 18,792,265.58 and 9,503,302.12 is: 13,092,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,754.78 : 18,792,265.58 = 9,503,302.12 : x
  2. Step 2: Convert to fraction form
    13,640,754.78/18,792,265.58 = 9,503,302.12/x
  3. Step 3: Cross multiply
    13,640,754.78x = 18,792,265.58 × 9,503,302.12
  4. Step 4: Simplify right side
    13,640,754.78x = 178,588,577,267,157.22
  5. Step 5: Solve for x
    x = 178,588,577,267,157.22/13,640,754.78
  6. Step 6: Final answer
    x = 13,092,279.73

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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.