Finding the Fourth Proportional to 31,902,343.92, 44,025,413.90 and 18,151,308.05
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Solution
The fourth proportional to 31,902,343.92, 44,025,413.90 and 18,151,308.05 is: 25,048,907.11
Step by Step Solution
- Step 1: Write the proportion equation
31,902,343.92 : 44,025,413.90 = 18,151,308.05 : x - Step 2: Convert to fraction form
31,902,343.92/44,025,413.90 = 18,151,308.05/x - Step 3: Cross multiply
31,902,343.92x = 44,025,413.90 × 18,151,308.05 - Step 4: Simplify right side
31,902,343.92x = 799,118,849,416,768.38 - Step 5: Solve for x
x = 799,118,849,416,768.38/31,902,343.92 - Step 6: Final answer
x = 25,048,907.11
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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.