Finding the Fourth Proportional to 8,021,286.14, 12,032,323.42 and 2,627,751.02
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Solution
The fourth proportional to 8,021,286.14, 12,032,323.42 and 2,627,751.02 is: 3,941,755.67
Step by Step Solution
- Step 1: Write the proportion equation
8,021,286.14 : 12,032,323.42 = 2,627,751.02 : x - Step 2: Convert to fraction form
8,021,286.14/12,032,323.42 = 2,627,751.02/x - Step 3: Cross multiply
8,021,286.14x = 12,032,323.42 × 2,627,751.02 - Step 4: Simplify right side
8,021,286.14x = 31,617,950,139,874.89 - Step 5: Solve for x
x = 31,617,950,139,874.89/8,021,286.14 - Step 6: Final answer
x = 3,941,755.67
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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.