Home / 19,839,835.18-27,381,960.72-12,109,369.74

Finding the Fourth Proportional to 19,839,835.18, 27,381,960.72 and 12,109,369.74

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Solution

The fourth proportional to 19,839,835.18, 27,381,960.72 and 12,109,369.74 is: 16,712,754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839,835.18 : 27,381,960.72 = 12,109,369.74 : x
  2. Step 2: Convert to fraction form
    19,839,835.18/27,381,960.72 = 12,109,369.74/x
  3. Step 3: Cross multiply
    19,839,835.18x = 27,381,960.72 × 12,109,369.74
  4. Step 4: Simplify right side
    19,839,835.18x = 331,578,286,564,636.62
  5. Step 5: Solve for x
    x = 331,578,286,564,636.62/19,839,835.18
  6. Step 6: Final answer
    x = 16,712,754.09

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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.