Finding the Fourth Proportional to 49,920,413.68, 68,892,832.04 and 27,894,447.76
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Solution
The fourth proportional to 49,920,413.68, 68,892,832.04 and 27,894,447.76 is: 38,495,824.91
Step by Step Solution
- Step 1: Write the proportion equation
49,920,413.68 : 68,892,832.04 = 27,894,447.76 : x - Step 2: Convert to fraction form
49,920,413.68/68,892,832.04 = 27,894,447.76/x - Step 3: Cross multiply
49,920,413.68x = 68,892,832.04 × 27,894,447.76 - Step 4: Simplify right side
49,920,413.68x = 1,921,727,504,378,234.50 - Step 5: Solve for x
x = 1,921,727,504,378,234.50/49,920,413.68 - Step 6: Final answer
x = 38,495,824.91
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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.