Home / 18,974,910.74-28,464,103.09-5,327,965.17

Finding the Fourth Proportional to 18,974,910.74, 28,464,103.09 and 5,327,965.17

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Solution

The fourth proportional to 18,974,910.74, 28,464,103.09 and 5,327,965.17 is: 7,992,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974,910.74 : 28,464,103.09 = 5,327,965.17 : x
  2. Step 2: Convert to fraction form
    18,974,910.74/28,464,103.09 = 5,327,965.17/x
  3. Step 3: Cross multiply
    18,974,910.74x = 28,464,103.09 × 5,327,965.17
  4. Step 4: Simplify right side
    18,974,910.74x = 151,655,749,772,889.56
  5. Step 5: Solve for x
    x = 151,655,749,772,889.56/18,974,910.74
  6. Step 6: Final answer
    x = 7,992,435.48

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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.