Finding the Fourth Proportional to 38,302,213.40, 52,852,689.55 and 21,553,717.94
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Solution
The fourth proportional to 38,302,213.40, 52,852,689.55 and 21,553,717.94 is: 29,741,674.48
Step by Step Solution
- Step 1: Write the proportion equation
38,302,213.40 : 52,852,689.55 = 21,553,717.94 : x - Step 2: Convert to fraction form
38,302,213.40/52,852,689.55 = 21,553,717.94/x - Step 3: Cross multiply
38,302,213.40x = 52,852,689.55 × 21,553,717.94 - Step 4: Simplify right side
38,302,213.40x = 1,139,171,962,891,961.75 - Step 5: Solve for x
x = 1,139,171,962,891,961.75/38,302,213.40 - Step 6: Final answer
x = 29,741,674.48
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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.