Home / 22,945,389.80-31,664,139.62-12,631,718.12

Finding the Fourth Proportional to 22,945,389.80, 31,664,139.62 and 12,631,718.12

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Solution

The fourth proportional to 22,945,389.80, 31,664,139.62 and 12,631,718.12 is: 17,431,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,945,389.80 : 31,664,139.62 = 12,631,718.12 : x
  2. Step 2: Convert to fraction form
    22,945,389.80/31,664,139.62 = 12,631,718.12/x
  3. Step 3: Cross multiply
    22,945,389.80x = 31,664,139.62 × 12,631,718.12
  4. Step 4: Simplify right side
    22,945,389.80x = 399,972,486,192,163.88
  5. Step 5: Solve for x
    x = 399,972,486,192,163.88/22,945,389.80
  6. Step 6: Final answer
    x = 17,431,496.68

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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.