Finding the Fourth Proportional to 7,040,920.14, 9,716,133.87 and 4,324,141.26
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Solution
The fourth proportional to 7,040,920.14, 9,716,133.87 and 4,324,141.26 is: 5,967,108.63
Step by Step Solution
- Step 1: Write the proportion equation
7,040,920.14 : 9,716,133.87 = 4,324,141.26 : x - Step 2: Convert to fraction form
7,040,920.14/9,716,133.87 = 4,324,141.26/x - Step 3: Cross multiply
7,040,920.14x = 9,716,133.87 × 4,324,141.26 - Step 4: Simplify right side
7,040,920.14x = 42,013,935,354,950.47 - Step 5: Solve for x
x = 42,013,935,354,950.47/7,040,920.14 - Step 6: Final answer
x = 5,967,108.63
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1.5x scale
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.