Home / 8,629,091.20-12,943,636.80-8,097,212.80

Finding the Fourth Proportional to 8,629,091.20, 12,943,636.80 and 8,097,212.80

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Solution

The fourth proportional to 8,629,091.20, 12,943,636.80 and 8,097,212.80 is: 12,145,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629,091.20 : 12,943,636.80 = 8,097,212.80 : x
  2. Step 2: Convert to fraction form
    8,629,091.20/12,943,636.80 = 8,097,212.80/x
  3. Step 3: Cross multiply
    8,629,091.20x = 12,943,636.80 × 8,097,212.80
  4. Step 4: Simplify right side
    8,629,091.20x = 104,807,381,575,511.05
  5. Step 5: Solve for x
    x = 104,807,381,575,511.05/8,629,091.20
  6. Step 6: Final answer
    x = 12,145,819.20

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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.