Finding the Fourth Proportional to 12,770,535.88, 17,623,713.14 and 6,969,689.68
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Solution
The fourth proportional to 12,770,535.88, 17,623,713.14 and 6,969,689.68 is: 9,618,375.67
Step by Step Solution
- Step 1: Write the proportion equation
12,770,535.88 : 17,623,713.14 = 6,969,689.68 : x - Step 2: Convert to fraction form
12,770,535.88/17,623,713.14 = 6,969,689.68/x - Step 3: Cross multiply
12,770,535.88x = 17,623,713.14 × 6,969,689.68 - Step 4: Simplify right side
12,770,535.88x = 122,831,811,595,138.39 - Step 5: Solve for x
x = 122,831,811,595,138.39/12,770,535.88 - Step 6: Final answer
x = 9,618,375.67
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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.