Finding the Fourth Proportional to 21,184,028.18, 29,234,929.88 and 11,764,862.26
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Solution
The fourth proportional to 21,184,028.18, 29,234,929.88 and 11,764,862.26 is: 16,236,049.17
Step by Step Solution
- Step 1: Write the proportion equation
21,184,028.18 : 29,234,929.88 = 11,764,862.26 : x - Step 2: Convert to fraction form
21,184,028.18/29,234,929.88 = 11,764,862.26/x - Step 3: Cross multiply
21,184,028.18x = 29,234,929.88 × 11,764,862.26 - Step 4: Simplify right side
21,184,028.18x = 343,944,923,218,958.31 - Step 5: Solve for x
x = 343,944,923,218,958.31/21,184,028.18 - Step 6: Final answer
x = 16,236,049.17
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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.