Finding the Fourth Proportional to 20,374,489.44, 30,551,217.12 and 5,995,690.20
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Solution
The fourth proportional to 20,374,489.44, 30,551,217.12 and 5,995,690.20 is: 8,990,440.40
Step by Step Solution
- Step 1: Write the proportion equation
20,374,489.44 : 30,551,217.12 = 5,995,690.20 : x - Step 2: Convert to fraction form
20,374,489.44/30,551,217.12 = 5,995,690.20/x - Step 3: Cross multiply
20,374,489.44x = 30,551,217.12 × 5,995,690.20 - Step 4: Simplify right side
20,374,489.44x = 183,175,633,084,456.25 - Step 5: Solve for x
x = 183,175,633,084,456.25/20,374,489.44 - Step 6: Final answer
x = 8,990,440.40
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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.