Finding the Fourth Proportional to 21,691,975.84, 32,504,324.08 and 12,571,451.80
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Solution
The fourth proportional to 21,691,975.84, 32,504,324.08 and 12,571,451.80 is: 18,837,682.03
Step by Step Solution
- Step 1: Write the proportion equation
21,691,975.84 : 32,504,324.08 = 12,571,451.80 : x - Step 2: Convert to fraction form
21,691,975.84/32,504,324.08 = 12,571,451.80/x - Step 3: Cross multiply
21,691,975.84x = 32,504,324.08 × 12,571,451.80 - Step 4: Simplify right side
21,691,975.84x = 408,626,543,463,299.38 - Step 5: Solve for x
x = 408,626,543,463,299.38/21,691,975.84 - Step 6: Final answer
x = 18,837,682.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.