Finding the Fourth Proportional to 11,010,994.20, 15,194,657.70 and 6,116,531.40
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Solution
The fourth proportional to 11,010,994.20, 15,194,657.70 and 6,116,531.40 is: 8,440,527.64
Step by Step Solution
- Step 1: Write the proportion equation
11,010,994.20 : 15,194,657.70 = 6,116,531.40 : x - Step 2: Convert to fraction form
11,010,994.20/15,194,657.70 = 6,116,531.40/x - Step 3: Cross multiply
11,010,994.20x = 15,194,657.70 × 6,116,531.40 - Step 4: Simplify right side
11,010,994.20x = 92,938,600,934,301.78 - Step 5: Solve for x
x = 92,938,600,934,301.78/11,010,994.20 - Step 6: Final answer
x = 8,440,527.64
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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.