Finding the Fourth Proportional to 38,811,120.44, 53,558,407.82 and 21,407,091.98
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Solution
The fourth proportional to 38,811,120.44, 53,558,407.82 and 21,407,091.98 is: 29,541,269.34
Step by Step Solution
- Step 1: Write the proportion equation
38,811,120.44 : 53,558,407.82 = 21,407,091.98 : x - Step 2: Convert to fraction form
38,811,120.44/53,558,407.82 = 21,407,091.98/x - Step 3: Cross multiply
38,811,120.44x = 53,558,407.82 × 21,407,091.98 - Step 4: Simplify right side
38,811,120.44x = 1,146,529,762,398,055.75 - Step 5: Solve for x
x = 1,146,529,762,398,055.75/38,811,120.44 - Step 6: Final answer
x = 29,541,269.34
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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.