Home / 13,640,287.89-20,463,701.49-4,542,464.28

Finding the Fourth Proportional to 13,640,287.89, 20,463,701.49 and 4,542,464.28

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Solution

The fourth proportional to 13,640,287.89, 20,463,701.49 and 4,542,464.28 is: 6,814,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,287.89 : 20,463,701.49 = 4,542,464.28 : x
  2. Step 2: Convert to fraction form
    13,640,287.89/20,463,701.49 = 4,542,464.28/x
  3. Step 3: Cross multiply
    13,640,287.89x = 20,463,701.49 × 4,542,464.28
  4. Step 4: Simplify right side
    13,640,287.89x = 92,955,633,054,907.78
  5. Step 5: Solve for x
    x = 92,955,633,054,907.78/13,640,287.89
  6. Step 6: Final answer
    x = 6,814,785.27

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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.