Home / 16,993,640.73-25,490,485.23-12,972,956.97

Finding the Fourth Proportional to 16,993,640.73, 25,490,485.23 and 12,972,956.97

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Solution

The fourth proportional to 16,993,640.73, 25,490,485.23 and 12,972,956.97 is: 19,459,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993,640.73 : 25,490,485.23 = 12,972,956.97 : x
  2. Step 2: Convert to fraction form
    16,993,640.73/25,490,485.23 = 12,972,956.97/x
  3. Step 3: Cross multiply
    16,993,640.73x = 25,490,485.23 × 12,972,956.97
  4. Step 4: Simplify right side
    16,993,640.73x = 330,686,968,033,210.56
  5. Step 5: Solve for x
    x = 330,686,968,033,210.56/16,993,640.73
  6. Step 6: Final answer
    x = 19,459,453.88

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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.