Finding the Fourth Proportional to 10,964,805.20, 16,447,207.80 and 2,986,629.20
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Solution
The fourth proportional to 10,964,805.20, 16,447,207.80 and 2,986,629.20 is: 4,479,943.80
Step by Step Solution
- Step 1: Write the proportion equation
10,964,805.20 : 16,447,207.80 = 2,986,629.20 : x - Step 2: Convert to fraction form
10,964,805.20/16,447,207.80 = 2,986,629.20/x - Step 3: Cross multiply
10,964,805.20x = 16,447,207.80 × 2,986,629.20 - Step 4: Simplify right side
10,964,805.20x = 49,121,711,073,947.77 - Step 5: Solve for x
x = 49,121,711,073,947.77/10,964,805.20 - Step 6: Final answer
x = 4,479,943.80
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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.