Finding the Fourth Proportional to 29,966,992.68, 41,354,558.82 and 16,215,956.76
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Solution
The fourth proportional to 29,966,992.68, 41,354,558.82 and 16,215,956.76 is: 22,378,079.27
Step by Step Solution
- Step 1: Write the proportion equation
29,966,992.68 : 41,354,558.82 = 16,215,956.76 : x - Step 2: Convert to fraction form
29,966,992.68/41,354,558.82 = 16,215,956.76/x - Step 3: Cross multiply
29,966,992.68x = 41,354,558.82 × 16,215,956.76 - Step 4: Simplify right side
29,966,992.68x = 670,603,737,653,996.62 - Step 5: Solve for x
x = 670,603,737,653,996.62/29,966,992.68 - Step 6: Final answer
x = 22,378,079.27
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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.