Home / 15,854,257.44-21,877,539.48-8,790,039.54

Finding the Fourth Proportional to 15,854,257.44, 21,877,539.48 and 8,790,039.54

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Solution

The fourth proportional to 15,854,257.44, 21,877,539.48 and 8,790,039.54 is: 12,129,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854,257.44 : 21,877,539.48 = 8,790,039.54 : x
  2. Step 2: Convert to fraction form
    15,854,257.44/21,877,539.48 = 8,790,039.54/x
  3. Step 3: Cross multiply
    15,854,257.44x = 21,877,539.48 × 8,790,039.54
  4. Step 4: Simplify right side
    15,854,257.44x = 192,304,437,067,111.03
  5. Step 5: Solve for x
    x = 192,304,437,067,111.03/15,854,257.44
  6. Step 6: Final answer
    x = 12,129,513.97

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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.