Finding the Fourth Proportional to 11,455,378.62, 17,171,717.91 and 5,379,233.44
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Solution
The fourth proportional to 11,455,378.62, 17,171,717.91 and 5,379,233.44 is: 8,063,520.40
Step by Step Solution
- Step 1: Write the proportion equation
11,455,378.62 : 17,171,717.91 = 5,379,233.44 : x - Step 2: Convert to fraction form
11,455,378.62/17,171,717.91 = 5,379,233.44/x - Step 3: Cross multiply
11,455,378.62x = 17,171,717.91 × 5,379,233.44 - Step 4: Simplify right side
11,455,378.62x = 92,370,679,176,822.75 - Step 5: Solve for x
x = 92,370,679,176,822.75/11,455,378.62 - Step 6: Final answer
x = 8,063,520.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.