Finding the Fourth Proportional to 11,379,662.28, 17,051,516.28 and 9,239,289.12
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Solution
The fourth proportional to 11,379,662.28, 17,051,516.28 and 9,239,289.12 is: 13,844,337.82
Step by Step Solution
- Step 1: Write the proportion equation
11,379,662.28 : 17,051,516.28 = 9,239,289.12 : x - Step 2: Convert to fraction form
11,379,662.28/17,051,516.28 = 9,239,289.12/x - Step 3: Cross multiply
11,379,662.28x = 17,051,516.28 × 9,239,289.12 - Step 4: Simplify right side
11,379,662.28x = 157,543,888,845,306.88 - Step 5: Solve for x
x = 157,543,888,845,306.88/11,379,662.28 - Step 6: Final answer
x = 13,844,337.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.