Finding the Fourth Proportional to 19,876,770.08, 29,815,819.42 and 5,498,633.82
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Solution
The fourth proportional to 19,876,770.08, 29,815,819.42 and 5,498,633.82 is: 8,248,134.50
Step by Step Solution
- Step 1: Write the proportion equation
19,876,770.08 : 29,815,819.42 = 5,498,633.82 : x - Step 2: Convert to fraction form
19,876,770.08/29,815,819.42 = 5,498,633.82/x - Step 3: Cross multiply
19,876,770.08x = 29,815,819.42 × 5,498,633.82 - Step 4: Simplify right side
19,876,770.08x = 163,946,273,020,078.22 - Step 5: Solve for x
x = 163,946,273,020,078.22/19,876,770.08 - Step 6: Final answer
x = 8,248,134.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.