Home / 11,830,413.78-16,326,020.20-6,397,905.78

Finding the Fourth Proportional to 11,830,413.78, 16,326,020.20 and 6,397,905.78

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Solution

The fourth proportional to 11,830,413.78, 16,326,020.20 and 6,397,905.78 is: 8,829,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830,413.78 : 16,326,020.20 = 6,397,905.78 : x
  2. Step 2: Convert to fraction form
    11,830,413.78/16,326,020.20 = 6,397,905.78/x
  3. Step 3: Cross multiply
    11,830,413.78x = 16,326,020.20 × 6,397,905.78
  4. Step 4: Simplify right side
    11,830,413.78x = 104,452,339,001,976.75
  5. Step 5: Solve for x
    x = 104,452,339,001,976.75/11,830,413.78
  6. Step 6: Final answer
    x = 8,829,136.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.