Finding the Fourth Proportional to 30,560,349.05, 45,835,540.53 and 8,989,906.09
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Solution
The fourth proportional to 30,560,349.05, 45,835,540.53 and 8,989,906.09 is: 13,483,393.27
Step by Step Solution
- Step 1: Write the proportion equation
30,560,349.05 : 45,835,540.53 = 8,989,906.09 : x - Step 2: Convert to fraction form
30,560,349.05/45,835,540.53 = 8,989,906.09/x - Step 3: Cross multiply
30,560,349.05x = 45,835,540.53 × 8,989,906.09 - Step 4: Simplify right side
30,560,349.05x = 412,057,204,834,500 - Step 5: Solve for x
x = 412,057,204,834,500/30,560,349.05 - Step 6: Final answer
x = 13,483,393.27
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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.