Home / 8,543,947.78-11,790,628.26-4,676,435.12

Finding the Fourth Proportional to 8,543,947.78, 11,790,628.26 and 4,676,435.12

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Solution

The fourth proportional to 8,543,947.78, 11,790,628.26 and 4,676,435.12 is: 6,453,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543,947.78 : 11,790,628.26 = 4,676,435.12 : x
  2. Step 2: Convert to fraction form
    8,543,947.78/11,790,628.26 = 4,676,435.12/x
  3. Step 3: Cross multiply
    8,543,947.78x = 11,790,628.26 × 4,676,435.12
  4. Step 4: Simplify right side
    8,543,947.78x = 55,138,108,081,928.49
  5. Step 5: Solve for x
    x = 55,138,108,081,928.49/8,543,947.78
  6. Step 6: Final answer
    x = 6,453,469.70

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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.