Finding the Fourth Proportional to 11,769,201.81, 16,248,744.59 and 9,331,659.09
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Solution
The fourth proportional to 11,769,201.81, 16,248,744.59 and 9,331,659.09 is: 12,883,434.88
Step by Step Solution
- Step 1: Write the proportion equation
11,769,201.81 : 16,248,744.59 = 9,331,659.09 : x - Step 2: Convert to fraction form
11,769,201.81/16,248,744.59 = 9,331,659.09/x - Step 3: Cross multiply
11,769,201.81x = 16,248,744.59 × 9,331,659.09 - Step 4: Simplify right side
11,769,201.81x = 151,627,745,107,703.53 - Step 5: Solve for x
x = 151,627,745,107,703.53/11,769,201.81 - Step 6: Final answer
x = 12,883,434.88
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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.