Home / 7,119,945.92-9,825,572.54-3,856,760.61

Finding the Fourth Proportional to 7,119,945.92, 9,825,572.54 and 3,856,760.61

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Solution

The fourth proportional to 7,119,945.92, 9,825,572.54 and 3,856,760.61 is: 5,322,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,945.92 : 9,825,572.54 = 3,856,760.61 : x
  2. Step 2: Convert to fraction form
    7,119,945.92/9,825,572.54 = 3,856,760.61/x
  3. Step 3: Cross multiply
    7,119,945.92x = 9,825,572.54 × 3,856,760.61
  4. Step 4: Simplify right side
    7,119,945.92x = 37,894,881,142,969.65
  5. Step 5: Solve for x
    x = 37,894,881,142,969.65/7,119,945.92
  6. Step 6: Final answer
    x = 5,322,355.19

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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.