Finding the Fourth Proportional to 10,982,122.12, 16,463,385.42 and 5,587,755.40
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Solution
The fourth proportional to 10,982,122.12, 16,463,385.42 and 5,587,755.40 is: 8,376,647.95
Step by Step Solution
- Step 1: Write the proportion equation
10,982,122.12 : 16,463,385.42 = 5,587,755.40 : x - Step 2: Convert to fraction form
10,982,122.12/16,463,385.42 = 5,587,755.40/x - Step 3: Cross multiply
10,982,122.12x = 16,463,385.42 × 5,587,755.40 - Step 4: Simplify right side
10,982,122.12x = 91,993,370,782,886.28 - Step 5: Solve for x
x = 91,993,370,782,886.28/10,982,122.12 - Step 6: Final answer
x = 8,376,647.95
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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.