Home / 13,786,404.30-20,679,606.45-3,689,025.30

Finding the Fourth Proportional to 13,786,404.30, 20,679,606.45 and 3,689,025.30

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Solution

The fourth proportional to 13,786,404.30, 20,679,606.45 and 3,689,025.30 is: 5,533,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786,404.30 : 20,679,606.45 = 3,689,025.30 : x
  2. Step 2: Convert to fraction form
    13,786,404.30/20,679,606.45 = 3,689,025.30/x
  3. Step 3: Cross multiply
    13,786,404.30x = 20,679,606.45 × 3,689,025.30
  4. Step 4: Simplify right side
    13,786,404.30x = 76,287,591,388,093.17
  5. Step 5: Solve for x
    x = 76,287,591,388,093.17/13,786,404.30
  6. Step 6: Final answer
    x = 5,533,537.95

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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.