Home / 10,214,859.78-14,096,413.80-5,631,181.02

Finding the Fourth Proportional to 10,214,859.78, 14,096,413.80 and 5,631,181.02

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Solution

The fourth proportional to 10,214,859.78, 14,096,413.80 and 5,631,181.02 is: 7,770,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214,859.78 : 14,096,413.80 = 5,631,181.02 : x
  2. Step 2: Convert to fraction form
    10,214,859.78/14,096,413.80 = 5,631,181.02/x
  3. Step 3: Cross multiply
    10,214,859.78x = 14,096,413.80 × 5,631,181.02
  4. Step 4: Simplify right side
    10,214,859.78x = 79,379,457,840,626.08
  5. Step 5: Solve for x
    x = 79,379,457,840,626.08/10,214,859.78
  6. Step 6: Final answer
    x = 7,770,978.71

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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.