Finding the Fourth Proportional to 7,548,942.68, 10,417,835.81 and 4,286,060.99
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Solution
The fourth proportional to 7,548,942.68, 10,417,835.81 and 4,286,060.99 is: 5,914,931.61
Step by Step Solution
- Step 1: Write the proportion equation
7,548,942.68 : 10,417,835.81 = 4,286,060.99 : x - Step 2: Convert to fraction form
7,548,942.68/10,417,835.81 = 4,286,060.99/x - Step 3: Cross multiply
7,548,942.68x = 10,417,835.81 × 4,286,060.99 - Step 4: Simplify right side
7,548,942.68x = 44,651,479,665,466.05 - Step 5: Solve for x
x = 44,651,479,665,466.05/7,548,942.68 - Step 6: Final answer
x = 5,914,931.61
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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.