Home / 22,485,106.30-31,029,660.61-13,192,834.46

Finding the Fourth Proportional to 22,485,106.30, 31,029,660.61 and 13,192,834.46

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Solution

The fourth proportional to 22,485,106.30, 31,029,660.61 and 13,192,834.46 is: 18,206,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485,106.30 : 31,029,660.61 = 13,192,834.46 : x
  2. Step 2: Convert to fraction form
    22,485,106.30/31,029,660.61 = 13,192,834.46/x
  3. Step 3: Cross multiply
    22,485,106.30x = 31,029,660.61 × 13,192,834.46
  4. Step 4: Simplify right side
    22,485,106.30x = 409,369,175,813,597.19
  5. Step 5: Solve for x
    x = 409,369,175,813,597.19/22,485,106.30
  6. Step 6: Final answer
    x = 18,206,237.07

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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.