Home / 18,930,649.73-28,398,910.55-8,000,885.37

Finding the Fourth Proportional to 18,930,649.73, 28,398,910.55 and 8,000,885.37

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Solution

The fourth proportional to 18,930,649.73, 28,398,910.55 and 8,000,885.37 is: 12,002,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930,649.73 : 28,398,910.55 = 8,000,885.37 : x
  2. Step 2: Convert to fraction form
    18,930,649.73/28,398,910.55 = 8,000,885.37/x
  3. Step 3: Cross multiply
    18,930,649.73x = 28,398,910.55 × 8,000,885.37
  4. Step 4: Simplify right side
    18,930,649.73x = 227,216,427,903,429.25
  5. Step 5: Solve for x
    x = 227,216,427,903,429.25/18,930,649.73
  6. Step 6: Final answer
    x = 12,002,568.91

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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.