Home / 28,795,511.80-43,193,267.70-18,591,844.60

Finding the Fourth Proportional to 28,795,511.80, 43,193,267.70 and 18,591,844.60

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Solution

The fourth proportional to 28,795,511.80, 43,193,267.70 and 18,591,844.60 is: 27,887,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795,511.80 : 43,193,267.70 = 18,591,844.60 : x
  2. Step 2: Convert to fraction form
    28,795,511.80/43,193,267.70 = 18,591,844.60/x
  3. Step 3: Cross multiply
    28,795,511.80x = 43,193,267.70 × 18,591,844.60
  4. Step 4: Simplify right side
    28,795,511.80x = 803,042,520,844,599.50
  5. Step 5: Solve for x
    x = 803,042,520,844,599.50/28,795,511.80
  6. Step 6: Final answer
    x = 27,887,766.90

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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.