Finding the Fourth Proportional to 19,976,728.26, 29,966,125.76 and 6,331,324.49
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Solution
The fourth proportional to 19,976,728.26, 29,966,125.76 and 6,331,324.49 is: 9,497,314.24
Step by Step Solution
- Step 1: Write the proportion equation
19,976,728.26 : 29,966,125.76 = 6,331,324.49 : x - Step 2: Convert to fraction form
19,976,728.26/29,966,125.76 = 6,331,324.49/x - Step 3: Cross multiply
19,976,728.26x = 29,966,125.76 × 6,331,324.49 - Step 4: Simplify right side
19,976,728.26x = 189,725,265,713,220.62 - Step 5: Solve for x
x = 189,725,265,713,220.62/19,976,728.26 - Step 6: Final answer
x = 9,497,314.24
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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.