Home / 21,058,992-31,588,492.32-7,595,818.56

Finding the Fourth Proportional to 21,058,992, 31,588,492.32 and 7,595,818.56

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Solution

The fourth proportional to 21,058,992, 31,588,492.32 and 7,595,818.56 is: 11,393,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058,992 : 31,588,492.32 = 7,595,818.56 : x
  2. Step 2: Convert to fraction form
    21,058,992/31,588,492.32 = 7,595,818.56/x
  3. Step 3: Cross multiply
    21,058,992x = 31,588,492.32 × 7,595,818.56
  4. Step 4: Simplify right side
    21,058,992x = 239,940,456,246,673.44
  5. Step 5: Solve for x
    x = 239,940,456,246,673.44/21,058,992
  6. Step 6: Final answer
    x = 11,393,729.40

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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.