Finding the Fourth Proportional to 7,764,003.68, 10,715,122.35 and 4,667,529.47
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Solution
The fourth proportional to 7,764,003.68, 10,715,122.35 and 4,667,529.47 is: 6,441,669.97
Step by Step Solution
- Step 1: Write the proportion equation
7,764,003.68 : 10,715,122.35 = 4,667,529.47 : x - Step 2: Convert to fraction form
7,764,003.68/10,715,122.35 = 4,667,529.47/x - Step 3: Cross multiply
7,764,003.68x = 10,715,122.35 × 4,667,529.47 - Step 4: Simplify right side
7,764,003.68x = 50,013,149,289,705.04 - Step 5: Solve for x
x = 50,013,149,289,705.04/7,764,003.68 - Step 6: Final answer
x = 6,441,669.97
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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.