Finding the Fourth Proportional to 10,397,743.49, 14,347,781.34 and 5,750,790.09
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Solution
The fourth proportional to 10,397,743.49, 14,347,781.34 and 5,750,790.09 is: 7,935,479.35
Step by Step Solution
- Step 1: Write the proportion equation
10,397,743.49 : 14,347,781.34 = 5,750,790.09 : x - Step 2: Convert to fraction form
10,397,743.49/14,347,781.34 = 5,750,790.09/x - Step 3: Cross multiply
10,397,743.49x = 14,347,781.34 × 5,750,790.09 - Step 4: Simplify right side
10,397,743.49x = 82,511,078,743,558.92 - Step 5: Solve for x
x = 82,511,078,743,558.92/10,397,743.49 - Step 6: Final answer
x = 7,935,479.35
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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.