Finding the Fourth Proportional to 10,716,857.55, 14,790,531.29 and 6,365,961.05
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Solution
The fourth proportional to 10,716,857.55, 14,790,531.29 and 6,365,961.05 is: 8,785,779.37
Step by Step Solution
- Step 1: Write the proportion equation
10,716,857.55 : 14,790,531.29 = 6,365,961.05 : x - Step 2: Convert to fraction form
10,716,857.55/14,790,531.29 = 6,365,961.05/x - Step 3: Cross multiply
10,716,857.55x = 14,790,531.29 × 6,365,961.05 - Step 4: Simplify right side
10,716,857.55x = 94,155,945,995,163.80 - Step 5: Solve for x
x = 94,155,945,995,163.80/10,716,857.55 - Step 6: Final answer
x = 8,785,779.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.