Finding the Fourth Proportional to 7,706,257.37, 11,559,413.39 and 2,588,540.88
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Solution
The fourth proportional to 7,706,257.37, 11,559,413.39 and 2,588,540.88 is: 3,882,820.50
Step by Step Solution
- Step 1: Write the proportion equation
7,706,257.37 : 11,559,413.39 = 2,588,540.88 : x - Step 2: Convert to fraction form
7,706,257.37/11,559,413.39 = 2,588,540.88/x - Step 3: Cross multiply
7,706,257.37x = 11,559,413.39 × 2,588,540.88 - Step 4: Simplify right side
7,706,257.37x = 29,922,014,095,891.68 - Step 5: Solve for x
x = 29,922,014,095,891.68/7,706,257.37 - Step 6: Final answer
x = 3,882,820.50
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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.