Home / 8,504,395.20-12,762,570.42-7,691,290.38

Finding the Fourth Proportional to 8,504,395.20, 12,762,570.42 and 7,691,290.38

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Solution

The fourth proportional to 8,504,395.20, 12,762,570.42 and 7,691,290.38 is: 11,542,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504,395.20 : 12,762,570.42 = 7,691,290.38 : x
  2. Step 2: Convert to fraction form
    8,504,395.20/12,762,570.42 = 7,691,290.38/x
  3. Step 3: Cross multiply
    8,504,395.20x = 12,762,570.42 × 7,691,290.38
  4. Step 4: Simplify right side
    8,504,395.20x = 98,160,635,095,418.56
  5. Step 5: Solve for x
    x = 98,160,635,095,418.56/8,504,395.20
  6. Step 6: Final answer
    x = 11,542,341.67

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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.