Finding the Fourth Proportional to 11,463,439.55, 15,819,545.97 and 6,306,690.38
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Solution
The fourth proportional to 11,463,439.55, 15,819,545.97 and 6,306,690.38 is: 8,703,232.39
Step by Step Solution
- Step 1: Write the proportion equation
11,463,439.55 : 15,819,545.97 = 6,306,690.38 : x - Step 2: Convert to fraction form
11,463,439.55/15,819,545.97 = 6,306,690.38/x - Step 3: Cross multiply
11,463,439.55x = 15,819,545.97 × 6,306,690.38 - Step 4: Simplify right side
11,463,439.55x = 99,768,978,305,869.05 - Step 5: Solve for x
x = 99,768,978,305,869.05/11,463,439.55 - Step 6: Final answer
x = 8,703,232.39
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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.