Home / 22,781,721.92-31,438,859.58-12,327,738.34

Finding the Fourth Proportional to 22,781,721.92, 31,438,859.58 and 12,327,738.34

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Solution

The fourth proportional to 22,781,721.92, 31,438,859.58 and 12,327,738.34 is: 17,012,324.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781,721.92 : 31,438,859.58 = 12,327,738.34 : x
  2. Step 2: Convert to fraction form
    22,781,721.92/31,438,859.58 = 12,327,738.34/x
  3. Step 3: Cross multiply
    22,781,721.92x = 31,438,859.58 × 12,327,738.34
  4. Step 4: Simplify right side
    22,781,721.92x = 387,570,034,531,645.12
  5. Step 5: Solve for x
    x = 387,570,034,531,645.12/22,781,721.92
  6. Step 6: Final answer
    x = 17,012,324.00

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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.