Home / 18,489,207.75-25,514,173.09-10,116,396.32

Finding the Fourth Proportional to 18,489,207.75, 25,514,173.09 and 10,116,396.32

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Solution

The fourth proportional to 18,489,207.75, 25,514,173.09 and 10,116,396.32 is: 13,960,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489,207.75 : 25,514,173.09 = 10,116,396.32 : x
  2. Step 2: Convert to fraction form
    18,489,207.75/25,514,173.09 = 10,116,396.32/x
  3. Step 3: Cross multiply
    18,489,207.75x = 25,514,173.09 × 10,116,396.32
  4. Step 4: Simplify right side
    18,489,207.75x = 258,111,486,653,239.16
  5. Step 5: Solve for x
    x = 258,111,486,653,239.16/18,489,207.75
  6. Step 6: Final answer
    x = 13,960,116.09

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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.