Finding the Fourth Proportional to 8,179,549.84, 11,287,823.56 and 4,743,827.92
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Solution
The fourth proportional to 8,179,549.84, 11,287,823.56 and 4,743,827.92 is: 6,546,508.50
Step by Step Solution
- Step 1: Write the proportion equation
8,179,549.84 : 11,287,823.56 = 4,743,827.92 : x - Step 2: Convert to fraction form
8,179,549.84/11,287,823.56 = 4,743,827.92/x - Step 3: Cross multiply
8,179,549.84x = 11,287,823.56 × 4,743,827.92 - Step 4: Simplify right side
8,179,549.84x = 53,547,492,559,961.80 - Step 5: Solve for x
x = 53,547,492,559,961.80/8,179,549.84 - Step 6: Final answer
x = 6,546,508.50
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1.5x scale
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.