Finding the Fourth Proportional to 47,486,842, 65,531,198.90 and 26,578,868.44
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Solution
The fourth proportional to 47,486,842, 65,531,198.90 and 26,578,868.44 is: 36,678,478.52
Step by Step Solution
- Step 1: Write the proportion equation
47,486,842 : 65,531,198.90 = 26,578,868.44 : x - Step 2: Convert to fraction form
47,486,842/65,531,198.90 = 26,578,868.44/x - Step 3: Cross multiply
47,486,842x = 65,531,198.90 × 26,578,868.44 - Step 4: Simplify right side
47,486,842x = 1,741,745,114,278,572.75 - Step 5: Solve for x
x = 1,741,745,114,278,572.75/47,486,842 - Step 6: Final answer
x = 36,678,478.52
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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.