Home / 7,111,739.92-10,663,289.86-2,788,610.60

Finding the Fourth Proportional to 7,111,739.92, 10,663,289.86 and 2,788,610.60

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Solution

The fourth proportional to 7,111,739.92, 10,663,289.86 and 2,788,610.60 is: 4,181,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,739.92 : 10,663,289.86 = 2,788,610.60 : x
  2. Step 2: Convert to fraction form
    7,111,739.92/10,663,289.86 = 2,788,610.60/x
  3. Step 3: Cross multiply
    7,111,739.92x = 10,663,289.86 × 2,788,610.60
  4. Step 4: Simplify right side
    7,111,739.92x = 29,735,763,134,468.52
  5. Step 5: Solve for x
    x = 29,735,763,134,468.52/7,111,739.92
  6. Step 6: Final answer
    x = 4,181,221.96

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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.