Home / 12,588,767.93-18,883,151.88-8,327,939.71

Finding the Fourth Proportional to 12,588,767.93, 18,883,151.88 and 8,327,939.71

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Solution

The fourth proportional to 12,588,767.93, 18,883,151.88 and 8,327,939.71 is: 12,491,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,767.93 : 18,883,151.88 = 8,327,939.71 : x
  2. Step 2: Convert to fraction form
    12,588,767.93/18,883,151.88 = 8,327,939.71/x
  3. Step 3: Cross multiply
    12,588,767.93x = 18,883,151.88 × 8,327,939.71
  4. Step 4: Simplify right side
    12,588,767.93x = 157,257,750,391,413.16
  5. Step 5: Solve for x
    x = 157,257,750,391,413.16/12,588,767.93
  6. Step 6: Final answer
    x = 12,491,909.56

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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.