Home / 12,524,604.30-18,786,906.45-9,690,252.30

Finding the Fourth Proportional to 12,524,604.30, 18,786,906.45 and 9,690,252.30

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Solution

The fourth proportional to 12,524,604.30, 18,786,906.45 and 9,690,252.30 is: 14,535,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524,604.30 : 18,786,906.45 = 9,690,252.30 : x
  2. Step 2: Convert to fraction form
    12,524,604.30/18,786,906.45 = 9,690,252.30/x
  3. Step 3: Cross multiply
    12,524,604.30x = 18,786,906.45 × 9,690,252.30
  4. Step 4: Simplify right side
    12,524,604.30x = 182,049,863,436,997.34
  5. Step 5: Solve for x
    x = 182,049,863,436,997.34/12,524,604.30
  6. Step 6: Final answer
    x = 14,535,378.45

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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.