Home / 19,647,537.72-29,474,455.86-8,289,659.40

Finding the Fourth Proportional to 19,647,537.72, 29,474,455.86 and 8,289,659.40

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Solution

The fourth proportional to 19,647,537.72, 29,474,455.86 and 8,289,659.40 is: 12,435,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647,537.72 : 29,474,455.86 = 8,289,659.40 : x
  2. Step 2: Convert to fraction form
    19,647,537.72/29,474,455.86 = 8,289,659.40/x
  3. Step 3: Cross multiply
    19,647,537.72x = 29,474,455.86 × 8,289,659.40
  4. Step 4: Simplify right side
    19,647,537.72x = 244,333,200,079,734.09
  5. Step 5: Solve for x
    x = 244,333,200,079,734.09/19,647,537.72
  6. Step 6: Final answer
    x = 12,435,817.84

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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.