Home / 12,859,894.68-17,761,383.51-8,469,247.53

Finding the Fourth Proportional to 12,859,894.68, 17,761,383.51 and 8,469,247.53

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Solution

The fourth proportional to 12,859,894.68, 17,761,383.51 and 8,469,247.53 is: 11,697,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859,894.68 : 17,761,383.51 = 8,469,247.53 : x
  2. Step 2: Convert to fraction form
    12,859,894.68/17,761,383.51 = 8,469,247.53/x
  3. Step 3: Cross multiply
    12,859,894.68x = 17,761,383.51 × 8,469,247.53
  4. Step 4: Simplify right side
    12,859,894.68x = 150,425,553,421,450.22
  5. Step 5: Solve for x
    x = 150,425,553,421,450.22/12,859,894.68
  6. Step 6: Final answer
    x = 11,697,261.69

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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.