Finding the Fourth Proportional to 11,691,020.28, 16,133,355.58 and 6,463,827.54
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Solution
The fourth proportional to 11,691,020.28, 16,133,355.58 and 6,463,827.54 is: 8,919,942.45
Step by Step Solution
- Step 1: Write the proportion equation
11,691,020.28 : 16,133,355.58 = 6,463,827.54 : x - Step 2: Convert to fraction form
11,691,020.28/16,133,355.58 = 6,463,827.54/x - Step 3: Cross multiply
11,691,020.28x = 16,133,355.58 × 6,463,827.54 - Step 4: Simplify right side
11,691,020.28x = 104,283,228,106,576.78 - Step 5: Solve for x
x = 104,283,228,106,576.78/11,691,020.28 - Step 6: Final answer
x = 8,919,942.45
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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.