Home / 25,758,163.20-38,637,244.80-18,199,891.20

Finding the Fourth Proportional to 25,758,163.20, 38,637,244.80 and 18,199,891.20

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Solution

The fourth proportional to 25,758,163.20, 38,637,244.80 and 18,199,891.20 is: 27,299,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758,163.20 : 38,637,244.80 = 18,199,891.20 : x
  2. Step 2: Convert to fraction form
    25,758,163.20/38,637,244.80 = 18,199,891.20/x
  3. Step 3: Cross multiply
    25,758,163.20x = 38,637,244.80 × 18,199,891.20
  4. Step 4: Simplify right side
    25,758,163.20x = 703,193,651,627,765.62
  5. Step 5: Solve for x
    x = 703,193,651,627,765.62/25,758,163.20
  6. Step 6: Final answer
    x = 27,299,836.80

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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.