Finding the Fourth Proportional to 39,211,748.97, 54,123,609.08 and 26,158,975.69
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Solution
The fourth proportional to 39,211,748.97, 54,123,609.08 and 26,158,975.69 is: 36,106,988.62
Step by Step Solution
- Step 1: Write the proportion equation
39,211,748.97 : 54,123,609.08 = 26,158,975.69 : x - Step 2: Convert to fraction form
39,211,748.97/54,123,609.08 = 26,158,975.69/x - Step 3: Cross multiply
39,211,748.97x = 54,123,609.08 × 26,158,975.69 - Step 4: Simplify right side
39,211,748.97x = 1,415,818,173,777,370.25 - Step 5: Solve for x
x = 1,415,818,173,777,370.25/39,211,748.97 - Step 6: Final answer
x = 36,106,988.62
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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.