Finding the Fourth Proportional to 10,861,796.75, 16,306,934.30 and 7,283,574.96
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Solution
The fourth proportional to 10,861,796.75, 16,306,934.30 and 7,283,574.96 is: 10,934,910.78
Step by Step Solution
- Step 1: Write the proportion equation
10,861,796.75 : 16,306,934.30 = 7,283,574.96 : x - Step 2: Convert to fraction form
10,861,796.75/16,306,934.30 = 7,283,574.96/x - Step 3: Cross multiply
10,861,796.75x = 16,306,934.30 × 7,283,574.96 - Step 4: Simplify right side
10,861,796.75x = 118,772,778,305,427.25 - Step 5: Solve for x
x = 118,772,778,305,427.25/10,861,796.75 - Step 6: Final answer
x = 10,934,910.78
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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.