Home / 14,381,837.40-19,846,817.67-7,855,470.96

Finding the Fourth Proportional to 14,381,837.40, 19,846,817.67 and 7,855,470.96

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Solution

The fourth proportional to 14,381,837.40, 19,846,817.67 and 7,855,470.96 is: 10,840,485.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381,837.40 : 19,846,817.67 = 7,855,470.96 : x
  2. Step 2: Convert to fraction form
    14,381,837.40/19,846,817.67 = 7,855,470.96/x
  3. Step 3: Cross multiply
    14,381,837.40x = 19,846,817.67 × 7,855,470.96
  4. Step 4: Simplify right side
    14,381,837.40x = 155,906,099,855,099.88
  5. Step 5: Solve for x
    x = 155,906,099,855,099.88/14,381,837.40
  6. Step 6: Final answer
    x = 10,840,485.50

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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.