Finding the Fourth Proportional to 8,957,814.03, 12,361,665.32 and 5,037,568.99
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Solution
The fourth proportional to 8,957,814.03, 12,361,665.32 and 5,037,568.99 is: 6,951,778.82
Step by Step Solution
- Step 1: Write the proportion equation
8,957,814.03 : 12,361,665.32 = 5,037,568.99 : x - Step 2: Convert to fraction form
8,957,814.03/12,361,665.32 = 5,037,568.99/x - Step 3: Cross multiply
8,957,814.03x = 12,361,665.32 × 5,037,568.99 - Step 4: Simplify right side
8,957,814.03x = 62,272,741,854,212.70 - Step 5: Solve for x
x = 62,272,741,854,212.70/8,957,814.03 - Step 6: Final answer
x = 6,951,778.82
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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.