Home / 11,342,845.60-15,651,978-6,991,234.72

Finding the Fourth Proportional to 11,342,845.60, 15,651,978 and 6,991,234.72

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Solution

The fourth proportional to 11,342,845.60, 15,651,978 and 6,991,234.72 is: 9,647,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342,845.60 : 15,651,978 = 6,991,234.72 : x
  2. Step 2: Convert to fraction form
    11,342,845.60/15,651,978 = 6,991,234.72/x
  3. Step 3: Cross multiply
    11,342,845.60x = 15,651,978 × 6,991,234.72
  4. Step 4: Simplify right side
    11,342,845.60x = 109,426,652,030,276.16
  5. Step 5: Solve for x
    x = 109,426,652,030,276.16/11,342,845.60
  6. Step 6: Final answer
    x = 9,647,195.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.