Finding the Fourth Proportional to 36,378,608.70, 54,567,913.05 and 18,185,611.80
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Solution
The fourth proportional to 36,378,608.70, 54,567,913.05 and 18,185,611.80 is: 27,278,417.70
Step by Step Solution
- Step 1: Write the proportion equation
36,378,608.70 : 54,567,913.05 = 18,185,611.80 : x - Step 2: Convert to fraction form
36,378,608.70/54,567,913.05 = 18,185,611.80/x - Step 3: Cross multiply
36,378,608.70x = 54,567,913.05 × 18,185,611.80 - Step 4: Simplify right side
36,378,608.70x = 992,350,883,463,454 - Step 5: Solve for x
x = 992,350,883,463,454/36,378,608.70 - Step 6: Final answer
x = 27,278,417.70
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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.