Finding the Fourth Proportional to 11,279,153.18, 16,889,592 and 7,784,494.40
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Solution
The fourth proportional to 11,279,153.18, 16,889,592 and 7,784,494.40 is: 11,656,631.69
Step by Step Solution
- Step 1: Write the proportion equation
11,279,153.18 : 16,889,592 = 7,784,494.40 : x - Step 2: Convert to fraction form
11,279,153.18/16,889,592 = 7,784,494.40/x - Step 3: Cross multiply
11,279,153.18x = 16,889,592 × 7,784,494.40 - Step 4: Simplify right side
11,279,153.18x = 131,476,934,342,284.81 - Step 5: Solve for x
x = 131,476,934,342,284.81/11,279,153.18 - Step 6: Final answer
x = 11,656,631.69
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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.