Home / 8,145,784.44-12,218,516.89-3,287,961.72

Finding the Fourth Proportional to 8,145,784.44, 12,218,516.89 and 3,287,961.72

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Solution

The fourth proportional to 8,145,784.44, 12,218,516.89 and 3,287,961.72 is: 4,931,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,784.44 : 12,218,516.89 = 3,287,961.72 : x
  2. Step 2: Convert to fraction form
    8,145,784.44/12,218,516.89 = 3,287,961.72/x
  3. Step 3: Cross multiply
    8,145,784.44x = 12,218,516.89 × 3,287,961.72
  4. Step 4: Simplify right side
    8,145,784.44x = 40,174,015,801,273.55
  5. Step 5: Solve for x
    x = 40,174,015,801,273.55/8,145,784.44
  6. Step 6: Final answer
    x = 4,931,878.09

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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.