Finding the Fourth Proportional to 29,338,871.67, 40,491,853.28 and 17,578,604.49
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Solution
The fourth proportional to 29,338,871.67, 40,491,853.28 and 17,578,604.49 is: 24,260,996.87
Step by Step Solution
- Step 1: Write the proportion equation
29,338,871.67 : 40,491,853.28 = 17,578,604.49 : x - Step 2: Convert to fraction form
29,338,871.67/40,491,853.28 = 17,578,604.49/x - Step 3: Cross multiply
29,338,871.67x = 40,491,853.28 × 17,578,604.49 - Step 4: Simplify right side
29,338,871.67x = 711,790,273,788,336.12 - Step 5: Solve for x
x = 711,790,273,788,336.12/29,338,871.67 - Step 6: Final answer
x = 24,260,996.87
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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.