Finding the Fourth Proportional to 18,302,586.14, 27,425,495.81 and 10,607,143.97
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Solution
The fourth proportional to 18,302,586.14, 27,425,495.81 and 10,607,143.97 is: 15,894,266.54
Step by Step Solution
- Step 1: Write the proportion equation
18,302,586.14 : 27,425,495.81 = 10,607,143.97 : x - Step 2: Convert to fraction form
18,302,586.14/27,425,495.81 = 10,607,143.97/x - Step 3: Cross multiply
18,302,586.14x = 27,425,495.81 × 10,607,143.97 - Step 4: Simplify right side
18,302,586.14x = 290,906,182,315,138.56 - Step 5: Solve for x
x = 290,906,182,315,138.56/18,302,586.14 - Step 6: Final answer
x = 15,894,266.54
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1.5x scale
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.