Finding the Fourth Proportional to 29,142,211.68, 40,215,451.44 and 16,089,232.80
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Solution
The fourth proportional to 29,142,211.68, 40,215,451.44 and 16,089,232.80 is: 22,202,699.21
Step by Step Solution
- Step 1: Write the proportion equation
29,142,211.68 : 40,215,451.44 = 16,089,232.80 : x - Step 2: Convert to fraction form
29,142,211.68/40,215,451.44 = 16,089,232.80/x - Step 3: Cross multiply
29,142,211.68x = 40,215,451.44 × 16,089,232.80 - Step 4: Simplify right side
29,142,211.68x = 647,035,760,375,255.25 - Step 5: Solve for x
x = 647,035,760,375,255.25/29,142,211.68 - Step 6: Final answer
x = 22,202,699.21
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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.