Home / 21,873,374.66-32,802,463.69-12,172,791.17

Finding the Fourth Proportional to 21,873,374.66, 32,802,463.69 and 12,172,791.17

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Solution

The fourth proportional to 21,873,374.66, 32,802,463.69 and 12,172,791.17 is: 18,254,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,374.66 : 32,802,463.69 = 12,172,791.17 : x
  2. Step 2: Convert to fraction form
    21,873,374.66/32,802,463.69 = 12,172,791.17/x
  3. Step 3: Cross multiply
    21,873,374.66x = 32,802,463.69 × 12,172,791.17
  4. Step 4: Simplify right side
    21,873,374.66x = 399,297,540,411,451.75
  5. Step 5: Solve for x
    x = 399,297,540,411,451.75/21,873,374.66
  6. Step 6: Final answer
    x = 18,254,958.21

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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.