Home / 20,297,448.42-27,983,380.68-16,124,977.64

Finding the Fourth Proportional to 20,297,448.42, 27,983,380.68 and 16,124,977.64

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Solution

The fourth proportional to 20,297,448.42, 27,983,380.68 and 16,124,977.64 is: 22,230,941.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297,448.42 : 27,983,380.68 = 16,124,977.64 : x
  2. Step 2: Convert to fraction form
    20,297,448.42/27,983,380.68 = 16,124,977.64/x
  3. Step 3: Cross multiply
    20,297,448.42x = 27,983,380.68 × 16,124,977.64
  4. Step 4: Simplify right side
    20,297,448.42x = 451,231,387,616,691.06
  5. Step 5: Solve for x
    x = 451,231,387,616,691.06/20,297,448.42
  6. Step 6: Final answer
    x = 22,230,941.46

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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.