Finding the Fourth Proportional to 7,600,793.99, 10,489,123.91 and 4,116,134.79
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Solution
The fourth proportional to 7,600,793.99, 10,489,123.91 and 4,116,134.79 is: 5,680,281.28
Step by Step Solution
- Step 1: Write the proportion equation
7,600,793.99 : 10,489,123.91 = 4,116,134.79 : x - Step 2: Convert to fraction form
7,600,793.99/10,489,123.91 = 4,116,134.79/x - Step 3: Cross multiply
7,600,793.99x = 10,489,123.91 × 4,116,134.79 - Step 4: Simplify right side
7,600,793.99x = 43,174,647,821,991.16 - Step 5: Solve for x
x = 43,174,647,821,991.16/7,600,793.99 - Step 6: Final answer
x = 5,680,281.28
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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.