Finding the Fourth Proportional to 7,537,993.70, 11,306,990.55 and 3,944,862.05
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Solution
The fourth proportional to 7,537,993.70, 11,306,990.55 and 3,944,862.05 is: 5,917,293.08
Step by Step Solution
- Step 1: Write the proportion equation
7,537,993.70 : 11,306,990.55 = 3,944,862.05 : x - Step 2: Convert to fraction form
7,537,993.70/11,306,990.55 = 3,944,862.05/x - Step 3: Cross multiply
7,537,993.70x = 11,306,990.55 × 3,944,862.05 - Step 4: Simplify right side
7,537,993.70x = 44,604,517,920,403.62 - Step 5: Solve for x
x = 44,604,517,920,403.62/7,537,993.70 - Step 6: Final answer
x = 5,917,293.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.