Home / 8,538,213.71-11,782,699.67-4,617,974.18

Finding the Fourth Proportional to 8,538,213.71, 11,782,699.67 and 4,617,974.18

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Solution

The fourth proportional to 8,538,213.71, 11,782,699.67 and 4,617,974.18 is: 6,372,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,213.71 : 11,782,699.67 = 4,617,974.18 : x
  2. Step 2: Convert to fraction form
    8,538,213.71/11,782,699.67 = 4,617,974.18/x
  3. Step 3: Cross multiply
    8,538,213.71x = 11,782,699.67 × 4,617,974.18
  4. Step 4: Simplify right side
    8,538,213.71x = 54,412,202,846,754.52
  5. Step 5: Solve for x
    x = 54,412,202,846,754.52/8,538,213.71
  6. Step 6: Final answer
    x = 6,372,785.30

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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.