Finding the Fourth Proportional to 11,508,105.52, 15,881,107.48 and 6,351,467.05
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Solution
The fourth proportional to 11,508,105.52, 15,881,107.48 and 6,351,467.05 is: 8,764,981.40
Step by Step Solution
- Step 1: Write the proportion equation
11,508,105.52 : 15,881,107.48 = 6,351,467.05 : x - Step 2: Convert to fraction form
11,508,105.52/15,881,107.48 = 6,351,467.05/x - Step 3: Cross multiply
11,508,105.52x = 15,881,107.48 × 6,351,467.05 - Step 4: Simplify right side
11,508,105.52x = 100,868,330,821,147.09 - Step 5: Solve for x
x = 100,868,330,821,147.09/11,508,105.52 - Step 6: Final answer
x = 8,764,981.40
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1.5x scale
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.