Home / 13,542,919.71-20,310,112.09-4,442,896.78

Finding the Fourth Proportional to 13,542,919.71, 20,310,112.09 and 4,442,896.78

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Solution

The fourth proportional to 13,542,919.71, 20,310,112.09 and 4,442,896.78 is: 6,662,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542,919.71 : 20,310,112.09 = 4,442,896.78 : x
  2. Step 2: Convert to fraction form
    13,542,919.71/20,310,112.09 = 4,442,896.78/x
  3. Step 3: Cross multiply
    13,542,919.71x = 20,310,112.09 × 4,442,896.78
  4. Step 4: Simplify right side
    13,542,919.71x = 90,235,731,560,878.41
  5. Step 5: Solve for x
    x = 90,235,731,560,878.41/13,542,919.71
  6. Step 6: Final answer
    x = 6,662,945.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.