Finding the Fourth Proportional to 8,170,917.37, 12,239,809.32 and 3,787,895.99
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Solution
The fourth proportional to 8,170,917.37, 12,239,809.32 and 3,787,895.99 is: 5,674,163.93
Step by Step Solution
- Step 1: Write the proportion equation
8,170,917.37 : 12,239,809.32 = 3,787,895.99 : x - Step 2: Convert to fraction form
8,170,917.37/12,239,809.32 = 3,787,895.99/x - Step 3: Cross multiply
8,170,917.37x = 12,239,809.32 × 3,787,895.99 - Step 4: Simplify right side
8,170,917.37x = 46,363,124,641,592.63 - Step 5: Solve for x
x = 46,363,124,641,592.63/8,170,917.37 - Step 6: Final answer
x = 5,674,163.93
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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.