Home / 15,511,131.44-21,404,670.90-8,890,973.89

Finding the Fourth Proportional to 15,511,131.44, 21,404,670.90 and 8,890,973.89

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Solution

The fourth proportional to 15,511,131.44, 21,404,670.90 and 8,890,973.89 is: 12,269,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511,131.44 : 21,404,670.90 = 8,890,973.89 : x
  2. Step 2: Convert to fraction form
    15,511,131.44/21,404,670.90 = 8,890,973.89/x
  3. Step 3: Cross multiply
    15,511,131.44x = 21,404,670.90 × 8,890,973.89
  4. Step 4: Simplify right side
    15,511,131.44x = 190,308,370,042,431.09
  5. Step 5: Solve for x
    x = 190,308,370,042,431.09/15,511,131.44
  6. Step 6: Final answer
    x = 12,269,148.18

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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.