Finding the Fourth Proportional to 14,319,049.62, 19,760,339.65 and 7,792,757.31
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Solution
The fourth proportional to 14,319,049.62, 19,760,339.65 and 7,792,757.31 is: 10,754,032.94
Step by Step Solution
- Step 1: Write the proportion equation
14,319,049.62 : 19,760,339.65 = 7,792,757.31 : x - Step 2: Convert to fraction form
14,319,049.62/19,760,339.65 = 7,792,757.31/x - Step 3: Cross multiply
14,319,049.62x = 19,760,339.65 × 7,792,757.31 - Step 4: Simplify right side
14,319,049.62x = 153,987,531,255,620.31 - Step 5: Solve for x
x = 153,987,531,255,620.31/14,319,049.62 - Step 6: Final answer
x = 10,754,032.94
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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.