Finding the Fourth Proportional to 11,388,596.40, 15,716,262.42 and 6,231,958.56
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Solution
The fourth proportional to 11,388,596.40, 15,716,262.42 and 6,231,958.56 is: 8,600,102.48
Step by Step Solution
- Step 1: Write the proportion equation
11,388,596.40 : 15,716,262.42 = 6,231,958.56 : x - Step 2: Convert to fraction form
11,388,596.40/15,716,262.42 = 6,231,958.56/x - Step 3: Cross multiply
11,388,596.40x = 15,716,262.42 × 6,231,958.56 - Step 4: Simplify right side
11,388,596.40x = 97,943,096,119,525.31 - Step 5: Solve for x
x = 97,943,096,119,525.31/11,388,596.40 - Step 6: Final answer
x = 8,600,102.48
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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.