Finding the Fourth Proportional to 14,482,379.21, 19,982,237.79 and 8,202,960.92
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Solution
The fourth proportional to 14,482,379.21, 19,982,237.79 and 8,202,960.92 is: 11,318,134.50
Step by Step Solution
- Step 1: Write the proportion equation
14,482,379.21 : 19,982,237.79 = 8,202,960.92 : x - Step 2: Convert to fraction form
14,482,379.21/19,982,237.79 = 8,202,960.92/x - Step 3: Cross multiply
14,482,379.21x = 19,982,237.79 × 8,202,960.92 - Step 4: Simplify right side
14,482,379.21x = 163,913,515,766,233.88 - Step 5: Solve for x
x = 163,913,515,766,233.88/14,482,379.21 - Step 6: Final answer
x = 11,318,134.50
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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.