Home / 12,097,153.20-18,145,729.80-8,695,930.80

Finding the Fourth Proportional to 12,097,153.20, 18,145,729.80 and 8,695,930.80

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Solution

The fourth proportional to 12,097,153.20, 18,145,729.80 and 8,695,930.80 is: 13,043,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,153.20 : 18,145,729.80 = 8,695,930.80 : x
  2. Step 2: Convert to fraction form
    12,097,153.20/18,145,729.80 = 8,695,930.80/x
  3. Step 3: Cross multiply
    12,097,153.20x = 18,145,729.80 × 8,695,930.80
  4. Step 4: Simplify right side
    12,097,153.20x = 157,794,010,656,297.88
  5. Step 5: Solve for x
    x = 157,794,010,656,297.88/12,097,153.20
  6. Step 6: Final answer
    x = 13,043,896.20

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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.