Finding the Fourth Proportional to 7,381,415.70, 11,072,123.55 and 2,062,631.70
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Solution
The fourth proportional to 7,381,415.70, 11,072,123.55 and 2,062,631.70 is: 3,093,947.55
Step by Step Solution
- Step 1: Write the proportion equation
7,381,415.70 : 11,072,123.55 = 2,062,631.70 : x - Step 2: Convert to fraction form
7,381,415.70/11,072,123.55 = 2,062,631.70/x - Step 3: Cross multiply
7,381,415.70x = 11,072,123.55 × 2,062,631.70 - Step 4: Simplify right side
7,381,415.70x = 22,837,713,020,546.54 - Step 5: Solve for x
x = 22,837,713,020,546.54/7,381,415.70 - Step 6: Final answer
x = 3,093,947.55
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1.5x scale
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.