Finding the Fourth Proportional to 28,059,416.70, 42,089,125.05 and 27,219,608.70
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Solution
The fourth proportional to 28,059,416.70, 42,089,125.05 and 27,219,608.70 is: 40,829,413.05
Step by Step Solution
- Step 1: Write the proportion equation
28,059,416.70 : 42,089,125.05 = 27,219,608.70 : x - Step 2: Convert to fraction form
28,059,416.70/42,089,125.05 = 27,219,608.70/x - Step 3: Cross multiply
28,059,416.70x = 42,089,125.05 × 27,219,608.70 - Step 4: Simplify right side
28,059,416.70x = 1,145,649,514,386,367.75 - Step 5: Solve for x
x = 1,145,649,514,386,367.75/28,059,416.70 - Step 6: Final answer
x = 40,829,413.05
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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.