Finding the Fourth Proportional to 39,526,770.18, 54,534,508.82 and 22,120,349.70
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Solution
The fourth proportional to 39,526,770.18, 54,534,508.82 and 22,120,349.70 is: 30,519,124.14
Step by Step Solution
- Step 1: Write the proportion equation
39,526,770.18 : 54,534,508.82 = 22,120,349.70 : x - Step 2: Convert to fraction form
39,526,770.18/54,534,508.82 = 22,120,349.70/x - Step 3: Cross multiply
39,526,770.18x = 54,534,508.82 × 22,120,349.70 - Step 4: Simplify right side
39,526,770.18x = 1,206,322,405,816,134.25 - Step 5: Solve for x
x = 1,206,322,405,816,134.25/39,526,770.18 - Step 6: Final answer
x = 30,519,124.14
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1.5x scale
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.