Finding the Fourth Proportional to 6,812,519.22, 10,207,211.16 and 4,111,167.96
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Solution
The fourth proportional to 6,812,519.22, 10,207,211.16 and 4,111,167.96 is: 6,159,771.17
Step by Step Solution
- Step 1: Write the proportion equation
6,812,519.22 : 10,207,211.16 = 4,111,167.96 : x - Step 2: Convert to fraction form
6,812,519.22/10,207,211.16 = 4,111,167.96/x - Step 3: Cross multiply
6,812,519.22x = 10,207,211.16 × 4,111,167.96 - Step 4: Simplify right side
6,812,519.22x = 41,963,559,481,946.44 - Step 5: Solve for x
x = 41,963,559,481,946.44/6,812,519.22 - Step 6: Final answer
x = 6,159,771.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.