Finding the Fourth Proportional to 21,086,937.63, 29,102,668.94 and 11,795,024.07
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Solution
The fourth proportional to 21,086,937.63, 29,102,668.94 and 11,795,024.07 is: 16,278,640.67
Step by Step Solution
- Step 1: Write the proportion equation
21,086,937.63 : 29,102,668.94 = 11,795,024.07 : x - Step 2: Convert to fraction form
21,086,937.63/29,102,668.94 = 11,795,024.07/x - Step 3: Cross multiply
21,086,937.63x = 29,102,668.94 × 11,795,024.07 - Step 4: Simplify right side
21,086,937.63x = 343,266,680,589,566.25 - Step 5: Solve for x
x = 343,266,680,589,566.25/21,086,937.63 - Step 6: Final answer
x = 16,278,640.67
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.