Finding the Fourth Proportional to 11,945,165.74, 16,485,728.18 and 6,789,302.31
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Solution
The fourth proportional to 11,945,165.74, 16,485,728.18 and 6,789,302.31 is: 9,370,032.60
Step by Step Solution
- Step 1: Write the proportion equation
11,945,165.74 : 16,485,728.18 = 6,789,302.31 : x - Step 2: Convert to fraction form
11,945,165.74/16,485,728.18 = 6,789,302.31/x - Step 3: Cross multiply
11,945,165.74x = 16,485,728.18 × 6,789,302.31 - Step 4: Simplify right side
11,945,165.74x = 111,926,592,414,506.09 - Step 5: Solve for x
x = 111,926,592,414,506.09/11,945,165.74 - Step 6: Final answer
x = 9,370,032.60
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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.