Home / 8,336,152.80-12,485,566.80-6,436,735.20

Finding the Fourth Proportional to 8,336,152.80, 12,485,566.80 and 6,436,735.20

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Solution

The fourth proportional to 8,336,152.80, 12,485,566.80 and 6,436,735.20 is: 9,640,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336,152.80 : 12,485,566.80 = 6,436,735.20 : x
  2. Step 2: Convert to fraction form
    8,336,152.80/12,485,566.80 = 6,436,735.20/x
  3. Step 3: Cross multiply
    8,336,152.80x = 12,485,566.80 × 6,436,735.20
  4. Step 4: Simplify right side
    8,336,152.80x = 80,366,287,313,511.36
  5. Step 5: Solve for x
    x = 80,366,287,313,511.36/8,336,152.80
  6. Step 6: Final answer
    x = 9,640,692.68

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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.