Finding the Fourth Proportional to 15,048,101.25, 20,767,660.44 and 8,522,891.49
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Solution
The fourth proportional to 15,048,101.25, 20,767,660.44 and 8,522,891.49 is: 11,762,315.62
Step by Step Solution
- Step 1: Write the proportion equation
15,048,101.25 : 20,767,660.44 = 8,522,891.49 : x - Step 2: Convert to fraction form
15,048,101.25/20,767,660.44 = 8,522,891.49/x - Step 3: Cross multiply
15,048,101.25x = 20,767,660.44 × 8,522,891.49 - Step 4: Simplify right side
15,048,101.25x = 177,000,516,431,285.66 - Step 5: Solve for x
x = 177,000,516,431,285.66/15,048,101.25 - Step 6: Final answer
x = 11,762,315.62
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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.