Home / 6,872,562.92-9,483,583.72-3,972,141.65

Finding the Fourth Proportional to 6,872,562.92, 9,483,583.72 and 3,972,141.65

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Solution

The fourth proportional to 6,872,562.92, 9,483,583.72 and 3,972,141.65 is: 5,481,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,562.92 : 9,483,583.72 = 3,972,141.65 : x
  2. Step 2: Convert to fraction form
    6,872,562.92/9,483,583.72 = 3,972,141.65/x
  3. Step 3: Cross multiply
    6,872,562.92x = 9,483,583.72 × 3,972,141.65
  4. Step 4: Simplify right side
    6,872,562.92x = 37,670,137,828,125.66
  5. Step 5: Solve for x
    x = 37,670,137,828,125.66/6,872,562.92
  6. Step 6: Final answer
    x = 5,481,235.79

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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.