Finding the Fourth Proportional to 8,274,733.19, 11,414,376.71 and 5,171,871.58
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Solution
The fourth proportional to 8,274,733.19, 11,414,376.71 and 5,171,871.58 is: 7,134,210.75
Step by Step Solution
- Step 1: Write the proportion equation
8,274,733.19 : 11,414,376.71 = 5,171,871.58 : x - Step 2: Convert to fraction form
8,274,733.19/11,414,376.71 = 5,171,871.58/x - Step 3: Cross multiply
8,274,733.19x = 11,414,376.71 × 5,171,871.58 - Step 4: Simplify right side
8,274,733.19x = 59,033,690,466,486.62 - Step 5: Solve for x
x = 59,033,690,466,486.62/8,274,733.19 - Step 6: Final answer
x = 7,134,210.75
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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.