Finding the Fourth Proportional to 23,328,138.20, 34,992,207.30 and 13,738,580.60
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Solution
The fourth proportional to 23,328,138.20, 34,992,207.30 and 13,738,580.60 is: 20,607,870.90
Step by Step Solution
- Step 1: Write the proportion equation
23,328,138.20 : 34,992,207.30 = 13,738,580.60 : x - Step 2: Convert to fraction form
23,328,138.20/34,992,207.30 = 13,738,580.60/x - Step 3: Cross multiply
23,328,138.20x = 34,992,207.30 × 13,738,580.60 - Step 4: Simplify right side
23,328,138.20x = 480,743,260,362,958.31 - Step 5: Solve for x
x = 480,743,260,362,958.31/23,328,138.20 - Step 6: Final answer
x = 20,607,870.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.