Home / 13,679,634.57-20,568,671.50-12,613,193.63

Finding the Fourth Proportional to 13,679,634.57, 20,568,671.50 and 12,613,193.63

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Solution

The fourth proportional to 13,679,634.57, 20,568,671.50 and 12,613,193.63 is: 18,965,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,679,634.57 : 20,568,671.50 = 12,613,193.63 : x
  2. Step 2: Convert to fraction form
    13,679,634.57/20,568,671.50 = 12,613,193.63/x
  3. Step 3: Cross multiply
    13,679,634.57x = 20,568,671.50 × 12,613,193.63
  4. Step 4: Simplify right side
    13,679,634.57x = 259,436,636,341,362.56
  5. Step 5: Solve for x
    x = 259,436,636,341,362.56/13,679,634.57
  6. Step 6: Final answer
    x = 18,965,173.01

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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.