Home / 13,987,129.44-19,297,118.46-8,476,528.92

Finding the Fourth Proportional to 13,987,129.44, 19,297,118.46 and 8,476,528.92

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Solution

The fourth proportional to 13,987,129.44, 19,297,118.46 and 8,476,528.92 is: 11,694,506.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,987,129.44 : 19,297,118.46 = 8,476,528.92 : x
  2. Step 2: Convert to fraction form
    13,987,129.44/19,297,118.46 = 8,476,528.92/x
  3. Step 3: Cross multiply
    13,987,129.44x = 19,297,118.46 × 8,476,528.92
  4. Step 4: Simplify right side
    13,987,129.44x = 163,572,582,698,855.88
  5. Step 5: Solve for x
    x = 163,572,582,698,855.88/13,987,129.44
  6. Step 6: Final answer
    x = 11,694,506.97

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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.