Finding the Fourth Proportional to 8,229,246, 11,356,476.72 and 4,744,515.84
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Solution
The fourth proportional to 8,229,246, 11,356,476.72 and 4,744,515.84 is: 6,547,499.45
Step by Step Solution
- Step 1: Write the proportion equation
8,229,246 : 11,356,476.72 = 4,744,515.84 : x - Step 2: Convert to fraction form
8,229,246/11,356,476.72 = 4,744,515.84/x - Step 3: Cross multiply
8,229,246x = 11,356,476.72 × 4,744,515.84 - Step 4: Simplify right side
8,229,246x = 53,880,983,684,631.25 - Step 5: Solve for x
x = 53,880,983,684,631.25/8,229,246 - Step 6: Final answer
x = 6,547,499.45
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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.