Finding the Fourth Proportional to 7,858,074.94, 11,787,115.68 and 3,535,075.73
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Solution
The fourth proportional to 7,858,074.94, 11,787,115.68 and 3,535,075.73 is: 5,302,615.07
Step by Step Solution
- Step 1: Write the proportion equation
7,858,074.94 : 11,787,115.68 = 3,535,075.73 : x - Step 2: Convert to fraction form
7,858,074.94/11,787,115.68 = 3,535,075.73/x - Step 3: Cross multiply
7,858,074.94x = 11,787,115.68 × 3,535,075.73 - Step 4: Simplify right side
7,858,074.94x = 41,668,346,596,538.23 - Step 5: Solve for x
x = 41,668,346,596,538.23/7,858,074.94 - Step 6: Final answer
x = 5,302,615.07
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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.