Finding the Fourth Proportional to 11,737,121.06, 17,605,742.34 and 5,342,901.68
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Solution
The fourth proportional to 11,737,121.06, 17,605,742.34 and 5,342,901.68 is: 8,014,380.17
Step by Step Solution
- Step 1: Write the proportion equation
11,737,121.06 : 17,605,742.34 = 5,342,901.68 : x - Step 2: Convert to fraction form
11,737,121.06/17,605,742.34 = 5,342,901.68/x - Step 3: Cross multiply
11,737,121.06x = 17,605,742.34 × 5,342,901.68 - Step 4: Simplify right side
11,737,121.06x = 94,065,750,326,033.12 - Step 5: Solve for x
x = 94,065,750,326,033.12/11,737,121.06 - Step 6: Final answer
x = 8,014,380.17
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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.