Finding the Fourth Proportional to 21,351,953.49, 32,027,919.99 and 5,177,902.04
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Solution
The fourth proportional to 21,351,953.49, 32,027,919.99 and 5,177,902.04 is: 7,766,850.58
Step by Step Solution
- Step 1: Write the proportion equation
21,351,953.49 : 32,027,919.99 = 5,177,902.04 : x - Step 2: Convert to fraction form
21,351,953.49/32,027,919.99 = 5,177,902.04/x - Step 3: Cross multiply
21,351,953.49x = 32,027,919.99 × 5,177,902.04 - Step 4: Simplify right side
21,351,953.49x = 165,837,432,373,882.78 - Step 5: Solve for x
x = 165,837,432,373,882.78/21,351,953.49 - Step 6: Final answer
x = 7,766,850.58
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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.