Finding the Fourth Proportional to 7,924,212.50, 11,885,737.34 and 2,531,414.94
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Solution
The fourth proportional to 7,924,212.50, 11,885,737.34 and 2,531,414.94 is: 3,796,936.68
Step by Step Solution
- Step 1: Write the proportion equation
7,924,212.50 : 11,885,737.34 = 2,531,414.94 : x - Step 2: Convert to fraction form
7,924,212.50/11,885,737.34 = 2,531,414.94/x - Step 3: Cross multiply
7,924,212.50x = 11,885,737.34 × 2,531,414.94 - Step 4: Simplify right side
7,924,212.50x = 30,087,733,075,391.86 - Step 5: Solve for x
x = 30,087,733,075,391.86/7,924,212.50 - Step 6: Final answer
x = 3,796,936.68
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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.