Finding the Fourth Proportional to 10,388,148.24, 14,344,836.65 and 6,474,583.53
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Solution
The fourth proportional to 10,388,148.24, 14,344,836.65 and 6,474,583.53 is: 8,940,654.38
Step by Step Solution
- Step 1: Write the proportion equation
10,388,148.24 : 14,344,836.65 = 6,474,583.53 : x - Step 2: Convert to fraction form
10,388,148.24/14,344,836.65 = 6,474,583.53/x - Step 3: Cross multiply
10,388,148.24x = 14,344,836.65 × 6,474,583.53 - Step 4: Simplify right side
10,388,148.24x = 92,876,843,106,537.14 - Step 5: Solve for x
x = 92,876,843,106,537.14/10,388,148.24 - Step 6: Final answer
x = 8,940,654.38
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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.