Finding the Fourth Proportional to 11,205,764.11, 15,471,094.49 and 9,145,693.68
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Solution
The fourth proportional to 11,205,764.11, 15,471,094.49 and 9,145,693.68 is: 12,626,884.67
Step by Step Solution
- Step 1: Write the proportion equation
11,205,764.11 : 15,471,094.49 = 9,145,693.68 : x - Step 2: Convert to fraction form
11,205,764.11/15,471,094.49 = 9,145,693.68/x - Step 3: Cross multiply
11,205,764.11x = 15,471,094.49 × 9,145,693.68 - Step 4: Simplify right side
11,205,764.11x = 141,493,891,099,875.81 - Step 5: Solve for x
x = 141,493,891,099,875.81/11,205,764.11 - Step 6: Final answer
x = 12,626,884.67
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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.