Finding the Fourth Proportional to 9,116,039.92, 12,579,175.08 and 5,444,446.96
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Solution
The fourth proportional to 9,116,039.92, 12,579,175.08 and 5,444,446.96 is: 7,512,763.45
Step by Step Solution
- Step 1: Write the proportion equation
9,116,039.92 : 12,579,175.08 = 5,444,446.96 : x - Step 2: Convert to fraction form
9,116,039.92/12,579,175.08 = 5,444,446.96/x - Step 3: Cross multiply
9,116,039.92x = 12,579,175.08 × 5,444,446.96 - Step 4: Simplify right side
9,116,039.92x = 68,486,651,523,613.76 - Step 5: Solve for x
x = 68,486,651,523,613.76/9,116,039.92 - Step 6: Final answer
x = 7,512,763.45
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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.