Home / 21,873,381.41-32,802,473.81-12,172,797.92

Finding the Fourth Proportional to 21,873,381.41, 32,802,473.81 and 12,172,797.92

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Solution

The fourth proportional to 21,873,381.41, 32,802,473.81 and 12,172,797.92 is: 18,254,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,381.41 : 32,802,473.81 = 12,172,797.92 : x
  2. Step 2: Convert to fraction form
    21,873,381.41/32,802,473.81 = 12,172,797.92/x
  3. Step 3: Cross multiply
    21,873,381.41x = 32,802,473.81 × 12,172,797.92
  4. Step 4: Simplify right side
    21,873,381.41x = 399,297,885,077,660.62
  5. Step 5: Solve for x
    x = 399,297,885,077,660.62/21,873,381.41
  6. Step 6: Final answer
    x = 18,254,968.34

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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.