Home / 21,002,448.30-31,503,672.45-9,058,512.30

Finding the Fourth Proportional to 21,002,448.30, 31,503,672.45 and 9,058,512.30

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Solution

The fourth proportional to 21,002,448.30, 31,503,672.45 and 9,058,512.30 is: 13,587,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002,448.30 : 31,503,672.45 = 9,058,512.30 : x
  2. Step 2: Convert to fraction form
    21,002,448.30/31,503,672.45 = 9,058,512.30/x
  3. Step 3: Cross multiply
    21,002,448.30x = 31,503,672.45 × 9,058,512.30
  4. Step 4: Simplify right side
    21,002,448.30x = 285,376,404,383,496.12
  5. Step 5: Solve for x
    x = 285,376,404,383,496.12/21,002,448.30
  6. Step 6: Final answer
    x = 13,587,768.45

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.