Home / 14,396,537.85-19,761,469.86-12,728,403.60

Finding the Fourth Proportional to 14,396,537.85, 19,761,469.86 and 12,728,403.60

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Solution

The fourth proportional to 14,396,537.85, 19,761,469.86 and 12,728,403.60 is: 17,471,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396,537.85 : 19,761,469.86 = 12,728,403.60 : x
  2. Step 2: Convert to fraction form
    14,396,537.85/19,761,469.86 = 12,728,403.60/x
  3. Step 3: Cross multiply
    14,396,537.85x = 19,761,469.86 × 12,728,403.60
  4. Step 4: Simplify right side
    14,396,537.85x = 251,531,964,107,315.47
  5. Step 5: Solve for x
    x = 251,531,964,107,315.47/14,396,537.85
  6. Step 6: Final answer
    x = 17,471,698.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.