Finding the Fourth Proportional to 14,524,442.94, 20,042,207.41 and 8,242,969.94
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Solution
The fourth proportional to 14,524,442.94, 20,042,207.41 and 8,242,969.94 is: 11,374,433.70
Step by Step Solution
- Step 1: Write the proportion equation
14,524,442.94 : 20,042,207.41 = 8,242,969.94 : x - Step 2: Convert to fraction form
14,524,442.94/20,042,207.41 = 8,242,969.94/x - Step 3: Cross multiply
14,524,442.94x = 20,042,207.41 × 8,242,969.94 - Step 4: Simplify right side
14,524,442.94x = 165,207,313,211,875.25 - Step 5: Solve for x
x = 165,207,313,211,875.25/14,524,442.94 - Step 6: Final answer
x = 11,374,433.70
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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.