Home / 19,839,832.43-27,381,956.93-12,109,366.98

Finding the Fourth Proportional to 19,839,832.43, 27,381,956.93 and 12,109,366.98

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Solution

The fourth proportional to 19,839,832.43, 27,381,956.93 and 12,109,366.98 is: 16,712,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839,832.43 : 27,381,956.93 = 12,109,366.98 : x
  2. Step 2: Convert to fraction form
    19,839,832.43/27,381,956.93 = 12,109,366.98/x
  3. Step 3: Cross multiply
    19,839,832.43x = 27,381,956.93 × 12,109,366.98
  4. Step 4: Simplify right side
    19,839,832.43x = 331,578,165,035,377.38
  5. Step 5: Solve for x
    x = 331,578,165,035,377.38/19,839,832.43
  6. Step 6: Final answer
    x = 16,712,750.29

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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.