Finding the Fourth Proportional to 11,532,536.58, 15,915,232.71 and 6,376,231.02
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Solution
The fourth proportional to 11,532,536.58, 15,915,232.71 and 6,376,231.02 is: 8,799,382.49
Step by Step Solution
- Step 1: Write the proportion equation
11,532,536.58 : 15,915,232.71 = 6,376,231.02 : x - Step 2: Convert to fraction form
11,532,536.58/15,915,232.71 = 6,376,231.02/x - Step 3: Cross multiply
11,532,536.58x = 15,915,232.71 × 6,376,231.02 - Step 4: Simplify right side
11,532,536.58x = 101,479,200,496,020.66 - Step 5: Solve for x
x = 101,479,200,496,020.66/11,532,536.58 - Step 6: Final answer
x = 8,799,382.49
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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.