Home / 18,716,759.12-25,828,651.74-10,456,883.44

Finding the Fourth Proportional to 18,716,759.12, 25,828,651.74 and 10,456,883.44

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Solution

The fourth proportional to 18,716,759.12, 25,828,651.74 and 10,456,883.44 is: 14,430,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,759.12 : 25,828,651.74 = 10,456,883.44 : x
  2. Step 2: Convert to fraction form
    18,716,759.12/25,828,651.74 = 10,456,883.44/x
  3. Step 3: Cross multiply
    18,716,759.12x = 25,828,651.74 × 10,456,883.44
  4. Step 4: Simplify right side
    18,716,759.12x = 270,087,200,632,174.84
  5. Step 5: Solve for x
    x = 270,087,200,632,174.84/18,716,759.12
  6. Step 6: Final answer
    x = 14,430,233.29

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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.