Home / 9,151,779.66-12,629,793.39-5,529,407.82

Finding the Fourth Proportional to 9,151,779.66, 12,629,793.39 and 5,529,407.82

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Solution

The fourth proportional to 9,151,779.66, 12,629,793.39 and 5,529,407.82 is: 7,630,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151,779.66 : 12,629,793.39 = 5,529,407.82 : x
  2. Step 2: Convert to fraction form
    9,151,779.66/12,629,793.39 = 5,529,407.82/x
  3. Step 3: Cross multiply
    9,151,779.66x = 12,629,793.39 × 5,529,407.82
  4. Step 4: Simplify right side
    9,151,779.66x = 69,835,278,335,650.32
  5. Step 5: Solve for x
    x = 69,835,278,335,650.32/9,151,779.66
  6. Step 6: Final answer
    x = 7,630,786.68

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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.