Finding the Fourth Proportional to 8,149,794.70, 12,238,688.85 and 5,770,338.70
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Solution
The fourth proportional to 8,149,794.70, 12,238,688.85 and 5,770,338.70 is: 8,665,418.27
Step by Step Solution
- Step 1: Write the proportion equation
8,149,794.70 : 12,238,688.85 = 5,770,338.70 : x - Step 2: Convert to fraction form
8,149,794.70/12,238,688.85 = 5,770,338.70/x - Step 3: Cross multiply
8,149,794.70x = 12,238,688.85 × 5,770,338.70 - Step 4: Simplify right side
8,149,794.70x = 70,621,379,908,413.50 - Step 5: Solve for x
x = 70,621,379,908,413.50/8,149,794.70 - Step 6: Final answer
x = 8,665,418.27
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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.