Finding the Fourth Proportional to 11,615,484.28, 16,029,759.82 and 6,388,896.68
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Solution
The fourth proportional to 11,615,484.28, 16,029,759.82 and 6,388,896.68 is: 8,816,892.76
Step by Step Solution
- Step 1: Write the proportion equation
11,615,484.28 : 16,029,759.82 = 6,388,896.68 : x - Step 2: Convert to fraction form
11,615,484.28/16,029,759.82 = 6,388,896.68/x - Step 3: Cross multiply
11,615,484.28x = 16,029,759.82 × 6,388,896.68 - Step 4: Simplify right side
11,615,484.28x = 102,412,479,295,195.39 - Step 5: Solve for x
x = 102,412,479,295,195.39/11,615,484.28 - Step 6: Final answer
x = 8,816,892.76
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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.