Finding the Fourth Proportional to 8,917,812.91, 12,306,170.19 and 5,050,361.80
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Solution
The fourth proportional to 8,917,812.91, 12,306,170.19 and 5,050,361.80 is: 6,969,266.17
Step by Step Solution
- Step 1: Write the proportion equation
8,917,812.91 : 12,306,170.19 = 5,050,361.80 : x - Step 2: Convert to fraction form
8,917,812.91/12,306,170.19 = 5,050,361.80/x - Step 3: Cross multiply
8,917,812.91x = 12,306,170.19 × 5,050,361.80 - Step 4: Simplify right side
8,917,812.91x = 62,150,611,831,874.73 - Step 5: Solve for x
x = 62,150,611,831,874.73/8,917,812.91 - Step 6: Final answer
x = 6,969,266.17
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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.