Home / 23,128,788.16-31,917,765.18-12,673,143.03

Finding the Fourth Proportional to 23,128,788.16, 31,917,765.18 and 12,673,143.03

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Solution

The fourth proportional to 23,128,788.16, 31,917,765.18 and 12,673,143.03 is: 17,488,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128,788.16 : 31,917,765.18 = 12,673,143.03 : x
  2. Step 2: Convert to fraction form
    23,128,788.16/31,917,765.18 = 12,673,143.03/x
  3. Step 3: Cross multiply
    23,128,788.16x = 31,917,765.18 × 12,673,143.03
  4. Step 4: Simplify right side
    23,128,788.16x = 404,498,403,324,093.69
  5. Step 5: Solve for x
    x = 404,498,403,324,093.69/23,128,788.16
  6. Step 6: Final answer
    x = 17,488,957.94

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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.