Finding the Fourth Proportional to 10,392,369.75, 15,586,717.53 and 2,819,925.99
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Solution
The fourth proportional to 10,392,369.75, 15,586,717.53 and 2,819,925.99 is: 4,229,390.50
Step by Step Solution
- Step 1: Write the proportion equation
10,392,369.75 : 15,586,717.53 = 2,819,925.99 : x - Step 2: Convert to fraction form
10,392,369.75/15,586,717.53 = 2,819,925.99/x - Step 3: Cross multiply
10,392,369.75x = 15,586,717.53 × 2,819,925.99 - Step 4: Simplify right side
10,392,369.75x = 43,953,389,861,635.61 - Step 5: Solve for x
x = 43,953,389,861,635.61/10,392,369.75 - Step 6: Final answer
x = 4,229,390.50
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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.