Finding the Fourth Proportional to 21,568,206.63, 29,764,362 and 11,778,938.80
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Solution
The fourth proportional to 21,568,206.63, 29,764,362 and 11,778,938.80 is: 16,255,064.89
Step by Step Solution
- Step 1: Write the proportion equation
21,568,206.63 : 29,764,362 = 11,778,938.80 : x - Step 2: Convert to fraction form
21,568,206.63/29,764,362 = 11,778,938.80/x - Step 3: Cross multiply
21,568,206.63x = 29,764,362 × 11,778,938.80 - Step 4: Simplify right side
21,568,206.63x = 350,592,598,419,045.62 - Step 5: Solve for x
x = 350,592,598,419,045.62/21,568,206.63 - Step 6: Final answer
x = 16,255,064.89
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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.