Finding the Fourth Proportional to 10,917,000.80, 16,379,437.80 and 4,529,211.20
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Solution
The fourth proportional to 10,917,000.80, 16,379,437.80 and 4,529,211.20 is: 6,795,450.00
Step by Step Solution
- Step 1: Write the proportion equation
10,917,000.80 : 16,379,437.80 = 4,529,211.20 : x - Step 2: Convert to fraction form
10,917,000.80/16,379,437.80 = 4,529,211.20/x - Step 3: Cross multiply
10,917,000.80x = 16,379,437.80 × 4,529,211.20 - Step 4: Simplify right side
10,917,000.80x = 74,185,933,133,463.36 - Step 5: Solve for x
x = 74,185,933,133,463.36/10,917,000.80 - Step 6: Final answer
x = 6,795,450.00
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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.