Home / 20,122,704.65-30,183,413.37-8,457,256.37

Finding the Fourth Proportional to 20,122,704.65, 30,183,413.37 and 8,457,256.37

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Solution

The fourth proportional to 20,122,704.65, 30,183,413.37 and 8,457,256.37 is: 12,685,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122,704.65 : 30,183,413.37 = 8,457,256.37 : x
  2. Step 2: Convert to fraction form
    20,122,704.65/30,183,413.37 = 8,457,256.37/x
  3. Step 3: Cross multiply
    20,122,704.65x = 30,183,413.37 × 8,457,256.37
  4. Step 4: Simplify right side
    20,122,704.65x = 255,268,864,840,858.62
  5. Step 5: Solve for x
    x = 255,268,864,840,858.62/20,122,704.65
  6. Step 6: Final answer
    x = 12,685,614.05

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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.