Home / 15,675,578.88-21,631,104.60-8,798,732.34

Finding the Fourth Proportional to 15,675,578.88, 21,631,104.60 and 8,798,732.34

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Solution

The fourth proportional to 15,675,578.88, 21,631,104.60 and 8,798,732.34 is: 12,141,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675,578.88 : 21,631,104.60 = 8,798,732.34 : x
  2. Step 2: Convert to fraction form
    15,675,578.88/21,631,104.60 = 8,798,732.34/x
  3. Step 3: Cross multiply
    15,675,578.88x = 21,631,104.60 × 8,798,732.34
  4. Step 4: Simplify right side
    15,675,578.88x = 190,326,299,593,942.78
  5. Step 5: Solve for x
    x = 190,326,299,593,942.78/15,675,578.88
  6. Step 6: Final answer
    x = 12,141,580.29

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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.