Finding the Fourth Proportional to 7,390,826.85, 11,017,922.62 and 7,274,352.70
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Solution
The fourth proportional to 7,390,826.85, 11,017,922.62 and 7,274,352.70 is: 10,844,288.03
Step by Step Solution
- Step 1: Write the proportion equation
7,390,826.85 : 11,017,922.62 = 7,274,352.70 : x - Step 2: Convert to fraction form
7,390,826.85/11,017,922.62 = 7,274,352.70/x - Step 3: Cross multiply
7,390,826.85x = 11,017,922.62 × 7,274,352.70 - Step 4: Simplify right side
7,390,826.85x = 80,148,255,159,188.06 - Step 5: Solve for x
x = 80,148,255,159,188.06/7,390,826.85 - Step 6: Final answer
x = 10,844,288.03
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.