Home / 12,171,644.80-18,257,467.20-5,794,352.80

Finding the Fourth Proportional to 12,171,644.80, 18,257,467.20 and 5,794,352.80

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Solution

The fourth proportional to 12,171,644.80, 18,257,467.20 and 5,794,352.80 is: 8,691,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,644.80 : 18,257,467.20 = 5,794,352.80 : x
  2. Step 2: Convert to fraction form
    12,171,644.80/18,257,467.20 = 5,794,352.80/x
  3. Step 3: Cross multiply
    12,171,644.80x = 18,257,467.20 × 5,794,352.80
  4. Step 4: Simplify right side
    12,171,644.80x = 105,790,206,191,228.16
  5. Step 5: Solve for x
    x = 105,790,206,191,228.16/12,171,644.80
  6. Step 6: Final answer
    x = 8,691,529.20

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1.5x scale

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.