Home / 8,279,880.98-12,419,109.96-5,040,577.88

Finding the Fourth Proportional to 8,279,880.98, 12,419,109.96 and 5,040,577.88

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Solution

The fourth proportional to 8,279,880.98, 12,419,109.96 and 5,040,577.88 is: 7,560,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,880.98 : 12,419,109.96 = 5,040,577.88 : x
  2. Step 2: Convert to fraction form
    8,279,880.98/12,419,109.96 = 5,040,577.88/x
  3. Step 3: Cross multiply
    8,279,880.98x = 12,419,109.96 × 5,040,577.88
  4. Step 4: Simplify right side
    8,279,880.98x = 62,599,490,953,663.69
  5. Step 5: Solve for x
    x = 62,599,490,953,663.69/8,279,880.98
  6. Step 6: Final answer
    x = 7,560,433.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.