Finding the Fourth Proportional to 8,158,242.56, 11,269,887.36 and 6,537,416.96
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Solution
The fourth proportional to 8,158,242.56, 11,269,887.36 and 6,537,416.96 is: 9,030,860.78
Step by Step Solution
- Step 1: Write the proportion equation
8,158,242.56 : 11,269,887.36 = 6,537,416.96 : x - Step 2: Convert to fraction form
8,158,242.56/11,269,887.36 = 6,537,416.96/x - Step 3: Cross multiply
8,158,242.56x = 11,269,887.36 × 6,537,416.96 - Step 4: Simplify right side
8,158,242.56x = 73,675,952,764,553.62 - Step 5: Solve for x
x = 73,675,952,764,553.62/8,158,242.56 - Step 6: Final answer
x = 9,030,860.78
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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.