Finding the Fourth Proportional to 11,313,371.35, 15,612,806.80 and 6,418,799.74
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Solution
The fourth proportional to 11,313,371.35, 15,612,806.80 and 6,418,799.74 is: 8,858,144.68
Step by Step Solution
- Step 1: Write the proportion equation
11,313,371.35 : 15,612,806.80 = 6,418,799.74 : x - Step 2: Convert to fraction form
11,313,371.35/15,612,806.80 = 6,418,799.74/x - Step 3: Cross multiply
11,313,371.35x = 15,612,806.80 × 6,418,799.74 - Step 4: Simplify right side
11,313,371.35x = 100,215,480,256,049.73 - Step 5: Solve for x
x = 100,215,480,256,049.73/11,313,371.35 - Step 6: Final answer
x = 8,858,144.68
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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.