Finding the Fourth Proportional to 33,174,138.24, 45,780,524.16 and 18,490,737.28
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Solution
The fourth proportional to 33,174,138.24, 45,780,524.16 and 18,490,737.28 is: 25,517,336.39
Step by Step Solution
- Step 1: Write the proportion equation
33,174,138.24 : 45,780,524.16 = 18,490,737.28 : x - Step 2: Convert to fraction form
33,174,138.24/45,780,524.16 = 18,490,737.28/x - Step 3: Cross multiply
33,174,138.24x = 45,780,524.16 × 18,490,737.28 - Step 4: Simplify right side
33,174,138.24x = 846,515,644,783,252.62 - Step 5: Solve for x
x = 846,515,644,783,252.62/33,174,138.24 - Step 6: Final answer
x = 25,517,336.39
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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.