Finding the Fourth Proportional to 23,102,109.24, 31,881,286.68 and 12,647,949.12
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Solution
The fourth proportional to 23,102,109.24, 31,881,286.68 and 12,647,949.12 is: 17,454,375.60
Step by Step Solution
- Step 1: Write the proportion equation
23,102,109.24 : 31,881,286.68 = 12,647,949.12 : x - Step 2: Convert to fraction form
23,102,109.24/31,881,286.68 = 12,647,949.12/x - Step 3: Cross multiply
23,102,109.24x = 31,881,286.68 × 12,647,949.12 - Step 4: Simplify right side
23,102,109.24x = 403,232,891,808,773.69 - Step 5: Solve for x
x = 403,232,891,808,773.69/23,102,109.24 - Step 6: Final answer
x = 17,454,375.60
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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.