Finding the Fourth Proportional to 8,573,511.84, 12,911,590.41 and 7,808,236.80
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Solution
The fourth proportional to 8,573,511.84, 12,911,590.41 and 7,808,236.80 is: 11,759,096.77
Step by Step Solution
- Step 1: Write the proportion equation
8,573,511.84 : 12,911,590.41 = 7,808,236.80 : x - Step 2: Convert to fraction form
8,573,511.84/12,911,590.41 = 7,808,236.80/x - Step 3: Cross multiply
8,573,511.84x = 12,911,590.41 × 7,808,236.80 - Step 4: Simplify right side
8,573,511.84x = 100,816,755,385,889.09 - Step 5: Solve for x
x = 100,816,755,385,889.09/8,573,511.84 - Step 6: Final answer
x = 11,759,096.77
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.