Home / 11,854,947.38-16,359,843.78-6,422,439.38

Finding the Fourth Proportional to 11,854,947.38, 16,359,843.78 and 6,422,439.38

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Solution

The fourth proportional to 11,854,947.38, 16,359,843.78 and 6,422,439.38 is: 8,862,975.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854,947.38 : 16,359,843.78 = 6,422,439.38 : x
  2. Step 2: Convert to fraction form
    11,854,947.38/16,359,843.78 = 6,422,439.38/x
  3. Step 3: Cross multiply
    11,854,947.38x = 16,359,843.78 × 6,422,439.38
  4. Step 4: Simplify right side
    11,854,947.38x = 105,070,104,861,520.83
  5. Step 5: Solve for x
    x = 105,070,104,861,520.83/11,854,947.38
  6. Step 6: Final answer
    x = 8,862,975.22

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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.