Finding the Fourth Proportional to 11,906,100.56, 16,430,633.16 and 6,473,631.44
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Solution
The fourth proportional to 11,906,100.56, 16,430,633.16 and 6,473,631.44 is: 8,933,727.95
Step by Step Solution
- Step 1: Write the proportion equation
11,906,100.56 : 16,430,633.16 = 6,473,631.44 : x - Step 2: Convert to fraction form
11,906,100.56/16,430,633.16 = 6,473,631.44/x - Step 3: Cross multiply
11,906,100.56x = 16,430,633.16 × 6,473,631.44 - Step 4: Simplify right side
11,906,100.56x = 106,365,863,403,682.56 - Step 5: Solve for x
x = 106,365,863,403,682.56/11,906,100.56 - Step 6: Final answer
x = 8,933,727.95
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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.