Finding the Fourth Proportional to 7,110,793.34, 9,812,821.20 and 3,847,536.08
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Solution
The fourth proportional to 7,110,793.34, 9,812,821.20 and 3,847,536.08 is: 5,309,559.96
Step by Step Solution
- Step 1: Write the proportion equation
7,110,793.34 : 9,812,821.20 = 3,847,536.08 : x - Step 2: Convert to fraction form
7,110,793.34/9,812,821.20 = 3,847,536.08/x - Step 3: Cross multiply
7,110,793.34x = 9,812,821.20 × 3,847,536.08 - Step 4: Simplify right side
7,110,793.34x = 37,755,183,613,588.89 - Step 5: Solve for x
x = 37,755,183,613,588.89/7,110,793.34 - Step 6: Final answer
x = 5,309,559.96
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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.