Finding the Fourth Proportional to 7,392,138.40, 11,088,207.60 and 3,350,562.40
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Solution
The fourth proportional to 7,392,138.40, 11,088,207.60 and 3,350,562.40 is: 5,025,843.60
Step by Step Solution
- Step 1: Write the proportion equation
7,392,138.40 : 11,088,207.60 = 3,350,562.40 : x - Step 2: Convert to fraction form
7,392,138.40/11,088,207.60 = 3,350,562.40/x - Step 3: Cross multiply
7,392,138.40x = 11,088,207.60 × 3,350,562.40 - Step 4: Simplify right side
7,392,138.40x = 37,151,731,467,954.23 - Step 5: Solve for x
x = 37,151,731,467,954.23/7,392,138.40 - Step 6: Final answer
x = 5,025,843.60
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Similar ratio
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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.