Finding the Fourth Proportional to 7,340,453.70, 11,010,680.55 and 5,828,799.30
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Solution
The fourth proportional to 7,340,453.70, 11,010,680.55 and 5,828,799.30 is: 8,743,198.95
Step by Step Solution
- Step 1: Write the proportion equation
7,340,453.70 : 11,010,680.55 = 5,828,799.30 : x - Step 2: Convert to fraction form
7,340,453.70/11,010,680.55 = 5,828,799.30/x - Step 3: Cross multiply
7,340,453.70x = 11,010,680.55 × 5,828,799.30 - Step 4: Simplify right side
7,340,453.70x = 64,179,047,082,363.62 - Step 5: Solve for x
x = 64,179,047,082,363.62/7,340,453.70 - Step 6: Final answer
x = 8,743,198.95
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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.