Finding the Fourth Proportional to 8,305,137.80, 12,446,042.70 and 6,602,193.80
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Solution
The fourth proportional to 8,305,137.80, 12,446,042.70 and 6,602,193.80 is: 9,894,018.37
Step by Step Solution
- Step 1: Write the proportion equation
8,305,137.80 : 12,446,042.70 = 6,602,193.80 : x - Step 2: Convert to fraction form
8,305,137.80/12,446,042.70 = 6,602,193.80/x - Step 3: Cross multiply
8,305,137.80x = 12,446,042.70 × 6,602,193.80 - Step 4: Simplify right side
8,305,137.80x = 82,171,185,948,475.25 - Step 5: Solve for x
x = 82,171,185,948,475.25/8,305,137.80 - Step 6: Final answer
x = 9,894,018.37
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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.