Home / 8,119,760.91-11,205,269.81-4,448,816.56

Finding the Fourth Proportional to 8,119,760.91, 11,205,269.81 and 4,448,816.56

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Solution

The fourth proportional to 8,119,760.91, 11,205,269.81 and 4,448,816.56 is: 6,139,366.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,760.91 : 11,205,269.81 = 4,448,816.56 : x
  2. Step 2: Convert to fraction form
    8,119,760.91/11,205,269.81 = 4,448,816.56/x
  3. Step 3: Cross multiply
    8,119,760.91x = 11,205,269.81 × 4,448,816.56
  4. Step 4: Simplify right side
    8,119,760.91x = 49,850,189,889,996.05
  5. Step 5: Solve for x
    x = 49,850,189,889,996.05/8,119,760.91
  6. Step 6: Final answer
    x = 6,139,366.72

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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.