Finding the Fourth Proportional to 7,904,893.14, 11,858,520.66 and 2,513,719.44
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Solution
The fourth proportional to 7,904,893.14, 11,858,520.66 and 2,513,719.44 is: 3,770,954.70
Step by Step Solution
- Step 1: Write the proportion equation
7,904,893.14 : 11,858,520.66 = 2,513,719.44 : x - Step 2: Convert to fraction form
7,904,893.14/11,858,520.66 = 2,513,719.44/x - Step 3: Cross multiply
7,904,893.14x = 11,858,520.66 × 2,513,719.44 - Step 4: Simplify right side
7,904,893.14x = 29,808,993,912,683.63 - Step 5: Solve for x
x = 29,808,993,912,683.63/7,904,893.14 - Step 6: Final answer
x = 3,770,954.70
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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.