Finding the Fourth Proportional to 12,083,571.36, 16,675,689.35 and 7,440,035.26
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Solution
The fourth proportional to 12,083,571.36, 16,675,689.35 and 7,440,035.26 is: 10,267,470.85
Step by Step Solution
- Step 1: Write the proportion equation
12,083,571.36 : 16,675,689.35 = 7,440,035.26 : x - Step 2: Convert to fraction form
12,083,571.36/16,675,689.35 = 7,440,035.26/x - Step 3: Cross multiply
12,083,571.36x = 16,675,689.35 × 7,440,035.26 - Step 4: Simplify right side
12,083,571.36x = 124,067,716,748,806.47 - Step 5: Solve for x
x = 124,067,716,748,806.47/12,083,571.36 - Step 6: Final answer
x = 10,267,470.85
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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.