Home / 7,433,930.75-11,151,433.60-3,111,633.86

Finding the Fourth Proportional to 7,433,930.75, 11,151,433.60 and 3,111,633.86

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Solution

The fourth proportional to 7,433,930.75, 11,151,433.60 and 3,111,633.86 is: 4,667,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433,930.75 : 11,151,433.60 = 3,111,633.86 : x
  2. Step 2: Convert to fraction form
    7,433,930.75/11,151,433.60 = 3,111,633.86/x
  3. Step 3: Cross multiply
    7,433,930.75x = 11,151,433.60 × 3,111,633.86
  4. Step 4: Simplify right side
    7,433,930.75x = 34,699,178,313,765.45
  5. Step 5: Solve for x
    x = 34,699,178,313,765.45/7,433,930.75
  6. Step 6: Final answer
    x = 4,667,675.76

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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.