Home / 13,802,630-19,049,046.54-8,297,786.98

Finding the Fourth Proportional to 13,802,630, 19,049,046.54 and 8,297,786.98

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Solution

The fourth proportional to 13,802,630, 19,049,046.54 and 8,297,786.98 is: 11,451,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802,630 : 19,049,046.54 = 8,297,786.98 : x
  2. Step 2: Convert to fraction form
    13,802,630/19,049,046.54 = 8,297,786.98/x
  3. Step 3: Cross multiply
    13,802,630x = 19,049,046.54 × 8,297,786.98
  4. Step 4: Simplify right side
    13,802,630x = 158,064,930,265,780.81
  5. Step 5: Solve for x
    x = 158,064,930,265,780.81/13,802,630
  6. Step 6: Final answer
    x = 11,451,797.97

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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.