Finding the Fourth Proportional to 13,006,412.32, 19,511,519.28 and 6,269,285.92
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Solution
The fourth proportional to 13,006,412.32, 19,511,519.28 and 6,269,285.92 is: 9,404,845.09
Step by Step Solution
- Step 1: Write the proportion equation
13,006,412.32 : 19,511,519.28 = 6,269,285.92 : x - Step 2: Convert to fraction form
13,006,412.32/19,511,519.28 = 6,269,285.92/x - Step 3: Cross multiply
13,006,412.32x = 19,511,519.28 × 6,269,285.92 - Step 4: Simplify right side
13,006,412.32x = 122,323,293,099,912.55 - Step 5: Solve for x
x = 122,323,293,099,912.55/13,006,412.32 - Step 6: Final answer
x = 9,404,845.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.