Home / 11,501,420.78-17,245,657.56-3,820,953.80

Finding the Fourth Proportional to 11,501,420.78, 17,245,657.56 and 3,820,953.80

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Solution

The fourth proportional to 11,501,420.78, 17,245,657.56 and 3,820,953.80 is: 5,729,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,501,420.78 : 17,245,657.56 = 3,820,953.80 : x
  2. Step 2: Convert to fraction form
    11,501,420.78/17,245,657.56 = 3,820,953.80/x
  3. Step 3: Cross multiply
    11,501,420.78x = 17,245,657.56 × 3,820,953.80
  4. Step 4: Simplify right side
    11,501,420.78x = 65,894,860,787,380.72
  5. Step 5: Solve for x
    x = 65,894,860,787,380.72/11,501,420.78
  6. Step 6: Final answer
    x = 5,729,280.06

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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.