Home / 12,848,721-17,735,204.82-8,265,042.78

Finding the Fourth Proportional to 12,848,721, 17,735,204.82 and 8,265,042.78

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Solution

The fourth proportional to 12,848,721, 17,735,204.82 and 8,265,042.78 is: 11,408,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848,721 : 17,735,204.82 = 8,265,042.78 : x
  2. Step 2: Convert to fraction form
    12,848,721/17,735,204.82 = 8,265,042.78/x
  3. Step 3: Cross multiply
    12,848,721x = 17,735,204.82 × 8,265,042.78
  4. Step 4: Simplify right side
    12,848,721x = 146,582,226,549,362.22
  5. Step 5: Solve for x
    x = 146,582,226,549,362.22/12,848,721
  6. Step 6: Final answer
    x = 11,408,312.67

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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.