Home / 13,747,043.21-18,968,810.72-7,944,704.37

Finding the Fourth Proportional to 13,747,043.21, 18,968,810.72 and 7,944,704.37

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Solution

The fourth proportional to 13,747,043.21, 18,968,810.72 and 7,944,704.37 is: 10,962,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,043.21 : 18,968,810.72 = 7,944,704.37 : x
  2. Step 2: Convert to fraction form
    13,747,043.21/18,968,810.72 = 7,944,704.37/x
  3. Step 3: Cross multiply
    13,747,043.21x = 18,968,810.72 × 7,944,704.37
  4. Step 4: Simplify right side
    13,747,043.21x = 150,701,593,381,163.31
  5. Step 5: Solve for x
    x = 150,701,593,381,163.31/13,747,043.21
  6. Step 6: Final answer
    x = 10,962,473.25

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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.