Home / 18,040,660.32-27,064,970.82-5,262,165.12

Finding the Fourth Proportional to 18,040,660.32, 27,064,970.82 and 5,262,165.12

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Solution

The fourth proportional to 18,040,660.32, 27,064,970.82 and 5,262,165.12 is: 7,894,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040,660.32 : 27,064,970.82 = 5,262,165.12 : x
  2. Step 2: Convert to fraction form
    18,040,660.32/27,064,970.82 = 5,262,165.12/x
  3. Step 3: Cross multiply
    18,040,660.32x = 27,064,970.82 × 5,262,165.12
  4. Step 4: Simplify right side
    18,040,660.32x = 142,420,345,422,821.81
  5. Step 5: Solve for x
    x = 142,420,345,422,821.81/18,040,660.32
  6. Step 6: Final answer
    x = 7,894,408.68

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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.