Home / 14,381,836.88-19,846,817-7,855,470.48

Finding the Fourth Proportional to 14,381,836.88, 19,846,817 and 7,855,470.48

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Solution

The fourth proportional to 14,381,836.88, 19,846,817 and 7,855,470.48 is: 10,840,484.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381,836.88 : 19,846,817 = 7,855,470.48 : x
  2. Step 2: Convert to fraction form
    14,381,836.88/19,846,817 = 7,855,470.48/x
  3. Step 3: Cross multiply
    14,381,836.88x = 19,846,817 × 7,855,470.48
  4. Step 4: Simplify right side
    14,381,836.88x = 155,906,085,065,462.16
  5. Step 5: Solve for x
    x = 155,906,085,065,462.16/14,381,836.88
  6. Step 6: Final answer
    x = 10,840,484.87

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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.