Finding the Fourth Proportional to 36,782,056.68, 50,760,812.82 and 20,484,532.68
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Solution
The fourth proportional to 36,782,056.68, 50,760,812.82 and 20,484,532.68 is: 28,269,532.02
Step by Step Solution
- Step 1: Write the proportion equation
36,782,056.68 : 50,760,812.82 = 20,484,532.68 : x - Step 2: Convert to fraction form
36,782,056.68/50,760,812.82 = 20,484,532.68/x - Step 3: Cross multiply
36,782,056.68x = 50,760,812.82 × 20,484,532.68 - Step 4: Simplify right side
36,782,056.68x = 1,039,811,529,074,653 - Step 5: Solve for x
x = 1,039,811,529,074,653/36,782,056.68 - Step 6: Final answer
x = 28,269,532.02
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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.