Finding the Fourth Proportional to 7,672,956.20, 10,588,680.47 and 4,235,198.14
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Solution
The fourth proportional to 7,672,956.20, 10,588,680.47 and 4,235,198.14 is: 5,844,573.94
Step by Step Solution
- Step 1: Write the proportion equation
7,672,956.20 : 10,588,680.47 = 4,235,198.14 : x - Step 2: Convert to fraction form
7,672,956.20/10,588,680.47 = 4,235,198.14/x - Step 3: Cross multiply
7,672,956.20x = 10,588,680.47 × 4,235,198.14 - Step 4: Simplify right side
7,672,956.20x = 44,845,159,783,950.63 - Step 5: Solve for x
x = 44,845,159,783,950.63/7,672,956.20 - Step 6: Final answer
x = 5,844,573.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.