Home / 13,138,974.55-18,000,094.44-12,647,737.09

Finding the Fourth Proportional to 13,138,974.55, 18,000,094.44 and 12,647,737.09

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Solution

The fourth proportional to 13,138,974.55, 18,000,094.44 and 12,647,737.09 is: 17,327,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,138,974.55 : 18,000,094.44 = 12,647,737.09 : x
  2. Step 2: Convert to fraction form
    13,138,974.55/18,000,094.44 = 12,647,737.09/x
  3. Step 3: Cross multiply
    13,138,974.55x = 18,000,094.44 × 12,647,737.09
  4. Step 4: Simplify right side
    13,138,974.55x = 227,660,462,072,290.78
  5. Step 5: Solve for x
    x = 227,660,462,072,290.78/13,138,974.55
  6. Step 6: Final answer
    x = 17,327,110.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.