Finding the Fourth Proportional to 8,457,945.87, 11,671,976.84 and 4,590,467.09
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Solution
The fourth proportional to 8,457,945.87, 11,671,976.84 and 4,590,467.09 is: 6,334,850.85
Step by Step Solution
- Step 1: Write the proportion equation
8,457,945.87 : 11,671,976.84 = 4,590,467.09 : x - Step 2: Convert to fraction form
8,457,945.87/11,671,976.84 = 4,590,467.09/x - Step 3: Cross multiply
8,457,945.87x = 11,671,976.84 × 4,590,467.09 - Step 4: Simplify right side
8,457,945.87x = 53,579,825,559,262.20 - Step 5: Solve for x
x = 53,579,825,559,262.20/8,457,945.87 - Step 6: Final answer
x = 6,334,850.85
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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.