Home / 12,327,076.80-18,490,615.20-5,595,490.80

Finding the Fourth Proportional to 12,327,076.80, 18,490,615.20 and 5,595,490.80

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Solution

The fourth proportional to 12,327,076.80, 18,490,615.20 and 5,595,490.80 is: 8,393,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327,076.80 : 18,490,615.20 = 5,595,490.80 : x
  2. Step 2: Convert to fraction form
    12,327,076.80/18,490,615.20 = 5,595,490.80/x
  3. Step 3: Cross multiply
    12,327,076.80x = 18,490,615.20 × 5,595,490.80
  4. Step 4: Simplify right side
    12,327,076.80x = 103,464,067,237,940.16
  5. Step 5: Solve for x
    x = 103,464,067,237,940.16/12,327,076.80
  6. Step 6: Final answer
    x = 8,393,236.20

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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.