Finding the Fourth Proportional to 7,510,975.20, 11,265,995.52 and 2,393,278.56
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Solution
The fourth proportional to 7,510,975.20, 11,265,995.52 and 2,393,278.56 is: 3,589,768.95
Step by Step Solution
- Step 1: Write the proportion equation
7,510,975.20 : 11,265,995.52 = 2,393,278.56 : x - Step 2: Convert to fraction form
7,510,975.20/11,265,995.52 = 2,393,278.56/x - Step 3: Cross multiply
7,510,975.20x = 11,265,995.52 × 2,393,278.56 - Step 4: Simplify right side
7,510,975.20x = 26,962,665,535,072.05 - Step 5: Solve for x
x = 26,962,665,535,072.05/7,510,975.20 - Step 6: Final answer
x = 3,589,768.95
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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.