Finding the Fourth Proportional to 38,407,497.05, 53,007,187.86 and 25,187,791.46
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Solution
The fourth proportional to 38,407,497.05, 53,007,187.86 and 25,187,791.46 is: 34,762,327.56
Step by Step Solution
- Step 1: Write the proportion equation
38,407,497.05 : 53,007,187.86 = 25,187,791.46 : x - Step 2: Convert to fraction form
38,407,497.05/53,007,187.86 = 25,187,791.46/x - Step 3: Cross multiply
38,407,497.05x = 53,007,187.86 × 25,187,791.46 - Step 4: Simplify right side
38,407,497.05x = 1,335,133,993,433,687.75 - Step 5: Solve for x
x = 1,335,133,993,433,687.75/38,407,497.05 - Step 6: Final answer
x = 34,762,327.56
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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.