Finding the Fourth Proportional to 14,125,739.04, 21,198,668.76 and 6,450,418.80
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Solution
The fourth proportional to 14,125,739.04, 21,198,668.76 and 6,450,418.80 is: 9,680,222.12
Step by Step Solution
- Step 1: Write the proportion equation
14,125,739.04 : 21,198,668.76 = 6,450,418.80 : x - Step 2: Convert to fraction form
14,125,739.04/21,198,668.76 = 6,450,418.80/x - Step 3: Cross multiply
14,125,739.04x = 21,198,668.76 × 6,450,418.80 - Step 4: Simplify right side
14,125,739.04x = 136,740,291,504,476.69 - Step 5: Solve for x
x = 136,740,291,504,476.69/14,125,739.04 - Step 6: Final answer
x = 9,680,222.12
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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.