Finding the Fourth Proportional to 8,212,449.30, 11,333,253.50 and 4,541,614.55
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Solution
The fourth proportional to 8,212,449.30, 11,333,253.50 and 4,541,614.55 is: 6,267,468.70
Step by Step Solution
- Step 1: Write the proportion equation
8,212,449.30 : 11,333,253.50 = 4,541,614.55 : x - Step 2: Convert to fraction form
8,212,449.30/11,333,253.50 = 4,541,614.55/x - Step 3: Cross multiply
8,212,449.30x = 11,333,253.50 × 4,541,614.55 - Step 4: Simplify right side
8,212,449.30x = 51,471,268,915,064.08 - Step 5: Solve for x
x = 51,471,268,915,064.08/8,212,449.30 - Step 6: Final answer
x = 6,267,468.70
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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.