Home / 13,399,395.40-20,099,093.10-8,297,561.80

Finding the Fourth Proportional to 13,399,395.40, 20,099,093.10 and 8,297,561.80

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Solution

The fourth proportional to 13,399,395.40, 20,099,093.10 and 8,297,561.80 is: 12,446,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399,395.40 : 20,099,093.10 = 8,297,561.80 : x
  2. Step 2: Convert to fraction form
    13,399,395.40/20,099,093.10 = 8,297,561.80/x
  3. Step 3: Cross multiply
    13,399,395.40x = 20,099,093.10 × 8,297,561.80
  4. Step 4: Simplify right side
    13,399,395.40x = 166,773,467,121,203.59
  5. Step 5: Solve for x
    x = 166,773,467,121,203.59/13,399,395.40
  6. Step 6: Final answer
    x = 12,446,342.70

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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.