Home / 18,517,704.21-25,553,338.41-10,143,408.48

Finding the Fourth Proportional to 18,517,704.21, 25,553,338.41 and 10,143,408.48

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Solution

The fourth proportional to 18,517,704.21, 25,553,338.41 and 10,143,408.48 is: 13,997,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517,704.21 : 25,553,338.41 = 10,143,408.48 : x
  2. Step 2: Convert to fraction form
    18,517,704.21/25,553,338.41 = 10,143,408.48/x
  3. Step 3: Cross multiply
    18,517,704.21x = 25,553,338.41 × 10,143,408.48
  4. Step 4: Simplify right side
    18,517,704.21x = 259,197,949,520,303.72
  5. Step 5: Solve for x
    x = 259,197,949,520,303.72/18,517,704.21
  6. Step 6: Final answer
    x = 13,997,304.77

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1.5x scale

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.