Finding the Fourth Proportional to 6,743,528.35, 9,306,921.42 and 4,422,374.14
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Solution
The fourth proportional to 6,743,528.35, 9,306,921.42 and 4,422,374.14 is: 6,103,435.25
Step by Step Solution
- Step 1: Write the proportion equation
6,743,528.35 : 9,306,921.42 = 4,422,374.14 : x - Step 2: Convert to fraction form
6,743,528.35/9,306,921.42 = 4,422,374.14/x - Step 3: Cross multiply
6,743,528.35x = 9,306,921.42 × 4,422,374.14 - Step 4: Simplify right side
6,743,528.35x = 41,158,688,610,820.08 - Step 5: Solve for x
x = 41,158,688,610,820.08/6,743,528.35 - Step 6: Final answer
x = 6,103,435.25
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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.