Finding the Fourth Proportional to 37,457,197.44, 51,695,128.80 and 21,160,723.20
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Solution
The fourth proportional to 37,457,197.44, 51,695,128.80 and 21,160,723.20 is: 29,204,168.65
Step by Step Solution
- Step 1: Write the proportion equation
37,457,197.44 : 51,695,128.80 = 21,160,723.20 : x - Step 2: Convert to fraction form
37,457,197.44/51,695,128.80 = 21,160,723.20/x - Step 3: Cross multiply
37,457,197.44x = 51,695,128.80 × 21,160,723.20 - Step 4: Simplify right side
37,457,197.44x = 1,093,906,311,325,148 - Step 5: Solve for x
x = 1,093,906,311,325,148/37,457,197.44 - Step 6: Final answer
x = 29,204,168.65
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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.