Finding the Fourth Proportional to 11,858,538.17, 17,787,620.39 and 3,771,396.99
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Solution
The fourth proportional to 11,858,538.17, 17,787,620.39 and 3,771,396.99 is: 5,657,036.05
Step by Step Solution
- Step 1: Write the proportion equation
11,858,538.17 : 17,787,620.39 = 3,771,396.99 : x - Step 2: Convert to fraction form
11,858,538.17/17,787,620.39 = 3,771,396.99/x - Step 3: Cross multiply
11,858,538.17x = 17,787,620.39 × 3,771,396.99 - Step 4: Simplify right side
11,858,538.17x = 67,084,177,979,251.65 - Step 5: Solve for x
x = 67,084,177,979,251.65/11,858,538.17 - Step 6: Final answer
x = 5,657,036.05
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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.