Home / 31,504,286.10-47,256,429.15-21,300,618.90

Finding the Fourth Proportional to 31,504,286.10, 47,256,429.15 and 21,300,618.90

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Solution

The fourth proportional to 31,504,286.10, 47,256,429.15 and 21,300,618.90 is: 31,950,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,286.10 : 47,256,429.15 = 21,300,618.90 : x
  2. Step 2: Convert to fraction form
    31,504,286.10/47,256,429.15 = 21,300,618.90/x
  3. Step 3: Cross multiply
    31,504,286.10x = 47,256,429.15 × 21,300,618.90
  4. Step 4: Simplify right side
    31,504,286.10x = 1,006,591,187,899,000.88
  5. Step 5: Solve for x
    x = 1,006,591,187,899,000.88/31,504,286.10
  6. Step 6: Final answer
    x = 31,950,928.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.