Finding the Fourth Proportional to 10,289,253.97, 14,186,757.39 and 8,891,318.11
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Solution
The fourth proportional to 10,289,253.97, 14,186,757.39 and 8,891,318.11 is: 12,259,292.39
Step by Step Solution
- Step 1: Write the proportion equation
10,289,253.97 : 14,186,757.39 = 8,891,318.11 : x - Step 2: Convert to fraction form
10,289,253.97/14,186,757.39 = 8,891,318.11/x - Step 3: Cross multiply
10,289,253.97x = 14,186,757.39 × 8,891,318.11 - Step 4: Simplify right side
10,289,253.97x = 126,138,972,903,883.33 - Step 5: Solve for x
x = 126,138,972,903,883.33/10,289,253.97 - Step 6: Final answer
x = 12,259,292.39
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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.