Home / 20,122,698.88-30,183,404.76-8,457,250.60

Finding the Fourth Proportional to 20,122,698.88, 30,183,404.76 and 8,457,250.60

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Solution

The fourth proportional to 20,122,698.88, 30,183,404.76 and 8,457,250.60 is: 12,685,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122,698.88 : 30,183,404.76 = 8,457,250.60 : x
  2. Step 2: Convert to fraction form
    20,122,698.88/30,183,404.76 = 8,457,250.60/x
  3. Step 3: Cross multiply
    20,122,698.88x = 30,183,404.76 × 8,457,250.60
  4. Step 4: Simplify right side
    20,122,698.88x = 255,268,618,016,552.84
  5. Step 5: Solve for x
    x = 255,268,618,016,552.84/20,122,698.88
  6. Step 6: Final answer
    x = 12,685,605.42

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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.