Home / 18,708,086.66-25,629,650.24-18,008,650.04

Finding the Fourth Proportional to 18,708,086.66, 25,629,650.24 and 18,008,650.04

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Solution

The fourth proportional to 18,708,086.66, 25,629,650.24 and 18,008,650.04 is: 24,671,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,086.66 : 25,629,650.24 = 18,008,650.04 : x
  2. Step 2: Convert to fraction form
    18,708,086.66/25,629,650.24 = 18,008,650.04/x
  3. Step 3: Cross multiply
    18,708,086.66x = 25,629,650.24 × 18,008,650.04
  4. Step 4: Simplify right side
    18,708,086.66x = 461,555,401,819,761.94
  5. Step 5: Solve for x
    x = 461,555,401,819,761.94/18,708,086.66
  6. Step 6: Final answer
    x = 24,671,438.09

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.