Finding the Fourth Proportional to 8,203,218.90, 12,307,457.01 and 5,743,796.63
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Solution
The fourth proportional to 8,203,218.90, 12,307,457.01 and 5,743,796.63 is: 8,617,535.49
Step by Step Solution
- Step 1: Write the proportion equation
8,203,218.90 : 12,307,457.01 = 5,743,796.63 : x - Step 2: Convert to fraction form
8,203,218.90/12,307,457.01 = 5,743,796.63/x - Step 3: Cross multiply
8,203,218.90x = 12,307,457.01 × 5,743,796.63 - Step 4: Simplify right side
8,203,218.90x = 70,691,530,036,370.59 - Step 5: Solve for x
x = 70,691,530,036,370.59/8,203,218.90 - Step 6: Final answer
x = 8,617,535.49
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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.