Finding the Fourth Proportional to 21,567,540.22, 32,351,596.35 and 7,190,612.63
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Solution
The fourth proportional to 21,567,540.22, 32,351,596.35 and 7,190,612.63 is: 10,786,014.30
Step by Step Solution
- Step 1: Write the proportion equation
21,567,540.22 : 32,351,596.35 = 7,190,612.63 : x - Step 2: Convert to fraction form
21,567,540.22/32,351,596.35 = 7,190,612.63/x - Step 3: Cross multiply
21,567,540.22x = 32,351,596.35 × 7,190,612.63 - Step 4: Simplify right side
21,567,540.22x = 232,627,797,314,971.91 - Step 5: Solve for x
x = 232,627,797,314,971.91/21,567,540.22 - Step 6: Final answer
x = 10,786,014.30
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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.