Finding the Fourth Proportional to 8,251,088.25, 11,385,931.76 and 4,579,715.99
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Solution
The fourth proportional to 8,251,088.25, 11,385,931.76 and 4,579,715.99 is: 6,319,691.68
Step by Step Solution
- Step 1: Write the proportion equation
8,251,088.25 : 11,385,931.76 = 4,579,715.99 : x - Step 2: Convert to fraction form
8,251,088.25/11,385,931.76 = 4,579,715.99/x - Step 3: Cross multiply
8,251,088.25x = 11,385,931.76 × 4,579,715.99 - Step 4: Simplify right side
8,251,088.25x = 52,144,333,790,821.92 - Step 5: Solve for x
x = 52,144,333,790,821.92/8,251,088.25 - Step 6: Final answer
x = 6,319,691.68
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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.