Finding the Fourth Proportional to 7,358,679.37, 11,037,178.23 and 1,967,750.19
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Solution
The fourth proportional to 7,358,679.37, 11,037,178.23 and 1,967,750.19 is: 2,951,400.44
Step by Step Solution
- Step 1: Write the proportion equation
7,358,679.37 : 11,037,178.23 = 1,967,750.19 : x - Step 2: Convert to fraction form
7,358,679.37/11,037,178.23 = 1,967,750.19/x - Step 3: Cross multiply
7,358,679.37x = 11,037,178.23 × 1,967,750.19 - Step 4: Simplify right side
7,358,679.37x = 21,718,409,494,121.72 - Step 5: Solve for x
x = 21,718,409,494,121.72/7,358,679.37 - Step 6: Final answer
x = 2,951,400.44
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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.