Finding the Fourth Proportional to 8,337,648.11, 11,496,817.54 and 5,431,649.99
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Solution
The fourth proportional to 8,337,648.11, 11,496,817.54 and 5,431,649.99 is: 7,489,724.69
Step by Step Solution
- Step 1: Write the proportion equation
8,337,648.11 : 11,496,817.54 = 5,431,649.99 : x - Step 2: Convert to fraction form
8,337,648.11/11,496,817.54 = 5,431,649.99/x - Step 3: Cross multiply
8,337,648.11x = 11,496,817.54 × 5,431,649.99 - Step 4: Simplify right side
8,337,648.11x = 62,446,688,905,421.70 - Step 5: Solve for x
x = 62,446,688,905,421.70/8,337,648.11 - Step 6: Final answer
x = 7,489,724.69
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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.