Finding the Fourth Proportional to 8,775,163.62, 13,165,862.94 and 3,917,029.86
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Solution
The fourth proportional to 8,775,163.62, 13,165,862.94 and 3,917,029.86 is: 5,876,936.37
Step by Step Solution
- Step 1: Write the proportion equation
8,775,163.62 : 13,165,862.94 = 3,917,029.86 : x - Step 2: Convert to fraction form
8,775,163.62/13,165,862.94 = 3,917,029.86/x - Step 3: Cross multiply
8,775,163.62x = 13,165,862.94 × 3,917,029.86 - Step 4: Simplify right side
8,775,163.62x = 51,571,078,268,647.38 - Step 5: Solve for x
x = 51,571,078,268,647.38/8,775,163.62 - Step 6: Final answer
x = 5,876,936.37
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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.