Home / 8,121,683.37-12,176,199.60-4,020,173.25

Finding the Fourth Proportional to 8,121,683.37, 12,176,199.60 and 4,020,173.25

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Solution

The fourth proportional to 8,121,683.37, 12,176,199.60 and 4,020,173.25 is: 6,027,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,683.37 : 12,176,199.60 = 4,020,173.25 : x
  2. Step 2: Convert to fraction form
    8,121,683.37/12,176,199.60 = 4,020,173.25/x
  3. Step 3: Cross multiply
    8,121,683.37x = 12,176,199.60 × 4,020,173.25
  4. Step 4: Simplify right side
    8,121,683.37x = 48,950,431,918,580.70
  5. Step 5: Solve for x
    x = 48,950,431,918,580.70/8,121,683.37
  6. Step 6: Final answer
    x = 6,027,128.82

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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.