Home / 19,839,805.23-27,381,919.41-12,109,339.80

Finding the Fourth Proportional to 19,839,805.23, 27,381,919.41 and 12,109,339.80

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Solution

The fourth proportional to 19,839,805.23, 27,381,919.41 and 12,109,339.80 is: 16,712,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839,805.23 : 27,381,919.41 = 12,109,339.80 : x
  2. Step 2: Convert to fraction form
    19,839,805.23/27,381,919.41 = 12,109,339.80/x
  3. Step 3: Cross multiply
    19,839,805.23x = 27,381,919.41 × 12,109,339.80
  4. Step 4: Simplify right side
    19,839,805.23x = 331,576,966,511,905.56
  5. Step 5: Solve for x
    x = 331,576,966,511,905.56/19,839,805.23
  6. Step 6: Final answer
    x = 16,712,712.78

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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.