Finding the Fourth Proportional to 7,284,442.12, 10,051,813.59 and 4,021,046.26
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Solution
The fourth proportional to 7,284,442.12, 10,051,813.59 and 4,021,046.26 is: 5,548,648.31
Step by Step Solution
- Step 1: Write the proportion equation
7,284,442.12 : 10,051,813.59 = 4,021,046.26 : x - Step 2: Convert to fraction form
7,284,442.12/10,051,813.59 = 4,021,046.26/x - Step 3: Cross multiply
7,284,442.12x = 10,051,813.59 × 4,021,046.26 - Step 4: Simplify right side
7,284,442.12x = 40,418,807,442,286.67 - Step 5: Solve for x
x = 40,418,807,442,286.67/7,284,442.12 - Step 6: Final answer
x = 5,548,648.31
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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.