Finding the Fourth Proportional to 14,318,067.14, 19,758,935.87 and 7,879,539.14
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Solution
The fourth proportional to 14,318,067.14, 19,758,935.87 and 7,879,539.14 is: 10,873,765.78
Step by Step Solution
- Step 1: Write the proportion equation
14,318,067.14 : 19,758,935.87 = 7,879,539.14 : x - Step 2: Convert to fraction form
14,318,067.14/19,758,935.87 = 7,879,539.14/x - Step 3: Cross multiply
14,318,067.14x = 19,758,935.87 × 7,879,539.14 - Step 4: Simplify right side
14,318,067.14x = 155,691,308,552,414.97 - Step 5: Solve for x
x = 155,691,308,552,414.97/14,318,067.14 - Step 6: Final answer
x = 10,873,765.78
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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.