Home / 13,188,120.40-19,782,180.60-8,883,448.30

Finding the Fourth Proportional to 13,188,120.40, 19,782,180.60 and 8,883,448.30

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Solution

The fourth proportional to 13,188,120.40, 19,782,180.60 and 8,883,448.30 is: 13,325,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,120.40 : 19,782,180.60 = 8,883,448.30 : x
  2. Step 2: Convert to fraction form
    13,188,120.40/19,782,180.60 = 8,883,448.30/x
  3. Step 3: Cross multiply
    13,188,120.40x = 19,782,180.60 × 8,883,448.30
  4. Step 4: Simplify right side
    13,188,120.40x = 175,733,978,621,363
  5. Step 5: Solve for x
    x = 175,733,978,621,363/13,188,120.40
  6. Step 6: Final answer
    x = 13,325,172.45

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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.