Home / 13,485,928.80-20,228,893.20-4,388,883.60

Finding the Fourth Proportional to 13,485,928.80, 20,228,893.20 and 4,388,883.60

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Solution

The fourth proportional to 13,485,928.80, 20,228,893.20 and 4,388,883.60 is: 6,583,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,928.80 : 20,228,893.20 = 4,388,883.60 : x
  2. Step 2: Convert to fraction form
    13,485,928.80/20,228,893.20 = 4,388,883.60/x
  3. Step 3: Cross multiply
    13,485,928.80x = 20,228,893.20 × 4,388,883.60
  4. Step 4: Simplify right side
    13,485,928.80x = 88,782,257,611,631.52
  5. Step 5: Solve for x
    x = 88,782,257,611,631.52/13,485,928.80
  6. Step 6: Final answer
    x = 6,583,325.40

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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.