Home / 20,716,171.64-28,589,007.01-11,297,476.52

Finding the Fourth Proportional to 20,716,171.64, 28,589,007.01 and 11,297,476.52

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Solution

The fourth proportional to 20,716,171.64, 28,589,007.01 and 11,297,476.52 is: 15,590,893.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716,171.64 : 28,589,007.01 = 11,297,476.52 : x
  2. Step 2: Convert to fraction form
    20,716,171.64/28,589,007.01 = 11,297,476.52/x
  3. Step 3: Cross multiply
    20,716,171.64x = 28,589,007.01 × 11,297,476.52
  4. Step 4: Simplify right side
    20,716,171.64x = 322,983,635,425,590.44
  5. Step 5: Solve for x
    x = 322,983,635,425,590.44/20,716,171.64
  6. Step 6: Final answer
    x = 15,590,893.97

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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.