Home / 14,381,839.66-19,846,820.78-7,855,473.22

Finding the Fourth Proportional to 14,381,839.66, 19,846,820.78 and 7,855,473.22

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Solution

The fourth proportional to 14,381,839.66, 19,846,820.78 and 7,855,473.22 is: 10,840,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381,839.66 : 19,846,820.78 = 7,855,473.22 : x
  2. Step 2: Convert to fraction form
    14,381,839.66/19,846,820.78 = 7,855,473.22/x
  3. Step 3: Cross multiply
    14,381,839.66x = 19,846,820.78 × 7,855,473.22
  4. Step 4: Simplify right side
    14,381,839.66x = 155,906,169,139,429.53
  5. Step 5: Solve for x
    x = 155,906,169,139,429.53/14,381,839.66
  6. Step 6: Final answer
    x = 10,840,488.62

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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.