Finding the Fourth Proportional to 7,082,881.70, 10,624,322.55 and 2,294,007.80
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Solution
The fourth proportional to 7,082,881.70, 10,624,322.55 and 2,294,007.80 is: 3,441,011.70
Step by Step Solution
- Step 1: Write the proportion equation
7,082,881.70 : 10,624,322.55 = 2,294,007.80 : x - Step 2: Convert to fraction form
7,082,881.70/10,624,322.55 = 2,294,007.80/x - Step 3: Cross multiply
7,082,881.70x = 10,624,322.55 × 2,294,007.80 - Step 4: Simplify right side
7,082,881.70x = 24,372,278,799,415.89 - Step 5: Solve for x
x = 24,372,278,799,415.89/7,082,881.70 - Step 6: Final answer
x = 3,441,011.70
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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.