Finding the Fourth Proportional to 9,143,415.80, 13,715,096.36 and 2,319,975.80
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Solution
The fourth proportional to 9,143,415.80, 13,715,096.36 and 2,319,975.80 is: 3,479,956.76
Step by Step Solution
- Step 1: Write the proportion equation
9,143,415.80 : 13,715,096.36 = 2,319,975.80 : x - Step 2: Convert to fraction form
9,143,415.80/13,715,096.36 = 2,319,975.80/x - Step 3: Cross multiply
9,143,415.80x = 13,715,096.36 × 2,319,975.80 - Step 4: Simplify right side
9,143,415.80x = 31,818,691,569,692.73 - Step 5: Solve for x
x = 31,818,691,569,692.73/9,143,415.80 - Step 6: Final answer
x = 3,479,956.76
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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.