Finding the Fourth Proportional to 6,972,907.20, 10,453,370.44 and 2,423,364.90
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Solution
The fourth proportional to 6,972,907.20, 10,453,370.44 and 2,423,364.90 is: 3,632,965.46
Step by Step Solution
- Step 1: Write the proportion equation
6,972,907.20 : 10,453,370.44 = 2,423,364.90 : x - Step 2: Convert to fraction form
6,972,907.20/10,453,370.44 = 2,423,364.90/x - Step 3: Cross multiply
6,972,907.20x = 10,453,370.44 × 2,423,364.90 - Step 4: Simplify right side
6,972,907.20x = 25,332,331,010,993.55 - Step 5: Solve for x
x = 25,332,331,010,993.55/6,972,907.20 - Step 6: Final answer
x = 3,632,965.46
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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.