Home / 15,285,297.96-21,093,878.82-8,316,015.42

Finding the Fourth Proportional to 15,285,297.96, 21,093,878.82 and 8,316,015.42

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Solution

The fourth proportional to 15,285,297.96, 21,093,878.82 and 8,316,015.42 is: 11,476,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285,297.96 : 21,093,878.82 = 8,316,015.42 : x
  2. Step 2: Convert to fraction form
    15,285,297.96/21,093,878.82 = 8,316,015.42/x
  3. Step 3: Cross multiply
    15,285,297.96x = 21,093,878.82 × 8,316,015.42
  4. Step 4: Simplify right side
    15,285,297.96x = 175,417,021,534,731.41
  5. Step 5: Solve for x
    x = 175,417,021,534,731.41/15,285,297.96
  6. Step 6: Final answer
    x = 11,476,192.48

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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.