Finding the Fourth Proportional to 14,809,969.96, 20,437,487.94 and 8,371,441.96
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Solution
The fourth proportional to 14,809,969.96, 20,437,487.94 and 8,371,441.96 is: 11,552,436.94
Step by Step Solution
- Step 1: Write the proportion equation
14,809,969.96 : 20,437,487.94 = 8,371,441.96 : x - Step 2: Convert to fraction form
14,809,969.96/20,437,487.94 = 8,371,441.96/x - Step 3: Cross multiply
14,809,969.96x = 20,437,487.94 × 8,371,441.96 - Step 4: Simplify right side
14,809,969.96x = 171,091,244,097,909.97 - Step 5: Solve for x
x = 171,091,244,097,909.97/14,809,969.96 - Step 6: Final answer
x = 11,552,436.94
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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.