Home / 19,839,833.18-27,381,957.96-12,109,367.73

Finding the Fourth Proportional to 19,839,833.18, 27,381,957.96 and 12,109,367.73

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Solution

The fourth proportional to 19,839,833.18, 27,381,957.96 and 12,109,367.73 is: 16,712,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839,833.18 : 27,381,957.96 = 12,109,367.73 : x
  2. Step 2: Convert to fraction form
    19,839,833.18/27,381,957.96 = 12,109,367.73/x
  3. Step 3: Cross multiply
    19,839,833.18x = 27,381,957.96 × 12,109,367.73
  4. Step 4: Simplify right side
    19,839,833.18x = 331,578,198,105,040.62
  5. Step 5: Solve for x
    x = 331,578,198,105,040.62/19,839,833.18
  6. Step 6: Final answer
    x = 16,712,751.32

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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.