Home / 13,795,998.80-20,697,108.60-4,211,819.60

Finding the Fourth Proportional to 13,795,998.80, 20,697,108.60 and 4,211,819.60

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Solution

The fourth proportional to 13,795,998.80, 20,697,108.60 and 4,211,819.60 is: 6,318,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795,998.80 : 20,697,108.60 = 4,211,819.60 : x
  2. Step 2: Convert to fraction form
    13,795,998.80/20,697,108.60 = 4,211,819.60/x
  3. Step 3: Cross multiply
    13,795,998.80x = 20,697,108.60 × 4,211,819.60
  4. Step 4: Simplify right side
    13,795,998.80x = 87,172,487,664,808.56
  5. Step 5: Solve for x
    x = 87,172,487,664,808.56/13,795,998.80
  6. Step 6: Final answer
    x = 6,318,678.98

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1.5x scale

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.