Home / 15,243,396.58-21,035,342.40-8,627,843.08

Finding the Fourth Proportional to 15,243,396.58, 21,035,342.40 and 8,627,843.08

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Solution

The fourth proportional to 15,243,396.58, 21,035,342.40 and 8,627,843.08 is: 11,906,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243,396.58 : 21,035,342.40 = 8,627,843.08 : x
  2. Step 2: Convert to fraction form
    15,243,396.58/21,035,342.40 = 8,627,843.08/x
  3. Step 3: Cross multiply
    15,243,396.58x = 21,035,342.40 × 8,627,843.08
  4. Step 4: Simplify right side
    15,243,396.58x = 181,489,633,256,093.84
  5. Step 5: Solve for x
    x = 181,489,633,256,093.84/15,243,396.58
  6. Step 6: Final answer
    x = 11,906,115.04

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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.