Home / 12,099,646.49-16,678,604.61-8,225,441.60

Finding the Fourth Proportional to 12,099,646.49, 16,678,604.61 and 8,225,441.60

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Solution

The fourth proportional to 12,099,646.49, 16,678,604.61 and 8,225,441.60 is: 11,338,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,646.49 : 16,678,604.61 = 8,225,441.60 : x
  2. Step 2: Convert to fraction form
    12,099,646.49/16,678,604.61 = 8,225,441.60/x
  3. Step 3: Cross multiply
    12,099,646.49x = 16,678,604.61 × 8,225,441.60
  4. Step 4: Simplify right side
    12,099,646.49x = 137,188,888,105,652.75
  5. Step 5: Solve for x
    x = 137,188,888,105,652.75/12,099,646.49
  6. Step 6: Final answer
    x = 11,338,255.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.