Home / 8,436,021.75-12,656,190.47-2,452,389.75

Finding the Fourth Proportional to 8,436,021.75, 12,656,190.47 and 2,452,389.75

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Solution

The fourth proportional to 8,436,021.75, 12,656,190.47 and 2,452,389.75 is: 3,679,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436,021.75 : 12,656,190.47 = 2,452,389.75 : x
  2. Step 2: Convert to fraction form
    8,436,021.75/12,656,190.47 = 2,452,389.75/x
  3. Step 3: Cross multiply
    8,436,021.75x = 12,656,190.47 × 2,452,389.75
  4. Step 4: Simplify right side
    8,436,021.75x = 31,037,911,770,413.73
  5. Step 5: Solve for x
    x = 31,037,911,770,413.73/8,436,021.75
  6. Step 6: Final answer
    x = 3,679,211.92

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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.