Home / 18,823,057.43-25,972,369.13-12,637,084.19

Finding the Fourth Proportional to 18,823,057.43, 25,972,369.13 and 12,637,084.19

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Solution

The fourth proportional to 18,823,057.43, 25,972,369.13 and 12,637,084.19 is: 17,436,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823,057.43 : 25,972,369.13 = 12,637,084.19 : x
  2. Step 2: Convert to fraction form
    18,823,057.43/25,972,369.13 = 12,637,084.19/x
  3. Step 3: Cross multiply
    18,823,057.43x = 25,972,369.13 × 12,637,084.19
  4. Step 4: Simplify right side
    18,823,057.43x = 328,215,015,211,297.94
  5. Step 5: Solve for x
    x = 328,215,015,211,297.94/18,823,057.43
  6. Step 6: Final answer
    x = 17,436,859.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.