Home / 19,839,807.73-27,381,922.86-12,109,342.30

Finding the Fourth Proportional to 19,839,807.73, 27,381,922.86 and 12,109,342.30

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Solution

The fourth proportional to 19,839,807.73, 27,381,922.86 and 12,109,342.30 is: 16,712,716.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839,807.73 : 27,381,922.86 = 12,109,342.30 : x
  2. Step 2: Convert to fraction form
    19,839,807.73/27,381,922.86 = 12,109,342.30/x
  3. Step 3: Cross multiply
    19,839,807.73x = 27,381,922.86 × 12,109,342.30
  4. Step 4: Simplify right side
    19,839,807.73x = 331,577,076,743,935
  5. Step 5: Solve for x
    x = 331,577,076,743,935/19,839,807.73
  6. Step 6: Final answer
    x = 16,712,716.23

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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.