Home / 8,491,503.28-11,717,965.12-4,623,939.58

Finding the Fourth Proportional to 8,491,503.28, 11,717,965.12 and 4,623,939.58

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Solution

The fourth proportional to 8,491,503.28, 11,717,965.12 and 4,623,939.58 is: 6,380,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491,503.28 : 11,717,965.12 = 4,623,939.58 : x
  2. Step 2: Convert to fraction form
    8,491,503.28/11,717,965.12 = 4,623,939.58/x
  3. Step 3: Cross multiply
    8,491,503.28x = 11,717,965.12 × 4,623,939.58
  4. Step 4: Simplify right side
    8,491,503.28x = 54,183,162,715,427.45
  5. Step 5: Solve for x
    x = 54,183,162,715,427.45/8,491,503.28
  6. Step 6: Final answer
    x = 6,380,868.14

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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.