Finding the Fourth Proportional to 11,226,066.14, 15,490,815.05 and 8,287,446.44
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Solution
The fourth proportional to 11,226,066.14, 15,490,815.05 and 8,287,446.44 is: 11,435,822.52
Step by Step Solution
- Step 1: Write the proportion equation
11,226,066.14 : 15,490,815.05 = 8,287,446.44 : x - Step 2: Convert to fraction form
11,226,066.14/15,490,815.05 = 8,287,446.44/x - Step 3: Cross multiply
11,226,066.14x = 15,490,815.05 × 8,287,446.44 - Step 4: Simplify right side
11,226,066.14x = 128,379,299,997,383.70 - Step 5: Solve for x
x = 128,379,299,997,383.70/11,226,066.14 - Step 6: Final answer
x = 11,435,822.52
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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.