Home / 8,327,775.20-12,491,662.80-2,648,573.60

Finding the Fourth Proportional to 8,327,775.20, 12,491,662.80 and 2,648,573.60

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Solution

The fourth proportional to 8,327,775.20, 12,491,662.80 and 2,648,573.60 is: 3,972,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327,775.20 : 12,491,662.80 = 2,648,573.60 : x
  2. Step 2: Convert to fraction form
    8,327,775.20/12,491,662.80 = 2,648,573.60/x
  3. Step 3: Cross multiply
    8,327,775.20x = 12,491,662.80 × 2,648,573.60
  4. Step 4: Simplify right side
    8,327,775.20x = 33,085,088,312,182.08
  5. Step 5: Solve for x
    x = 33,085,088,312,182.08/8,327,775.20
  6. Step 6: Final answer
    x = 3,972,860.40

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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.