Finding the Fourth Proportional to 21,992,485.14, 30,351,292.11 and 12,204,779.94
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Solution
The fourth proportional to 21,992,485.14, 30,351,292.11 and 12,204,779.94 is: 16,843,518.99
Step by Step Solution
- Step 1: Write the proportion equation
21,992,485.14 : 30,351,292.11 = 12,204,779.94 : x - Step 2: Convert to fraction form
21,992,485.14/30,351,292.11 = 12,204,779.94/x - Step 3: Cross multiply
21,992,485.14x = 30,351,292.11 × 12,204,779.94 - Step 4: Simplify right side
21,992,485.14x = 370,430,841,097,208.25 - Step 5: Solve for x
x = 370,430,841,097,208.25/21,992,485.14 - Step 6: Final answer
x = 16,843,518.99
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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.