Finding the Fourth Proportional to 47,286,573.44, 65,253,991.62 and 27,720,493.54
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Solution
The fourth proportional to 47,286,573.44, 65,253,991.62 and 27,720,493.54 is: 38,253,413.63
Step by Step Solution
- Step 1: Write the proportion equation
47,286,573.44 : 65,253,991.62 = 27,720,493.54 : x - Step 2: Convert to fraction form
47,286,573.44/65,253,991.62 = 27,720,493.54/x - Step 3: Cross multiply
47,286,573.44x = 65,253,991.62 × 27,720,493.54 - Step 4: Simplify right side
47,286,573.44x = 1,808,872,853,161,424 - Step 5: Solve for x
x = 1,808,872,853,161,424/47,286,573.44 - Step 6: Final answer
x = 38,253,413.63
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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.