Finding the Fourth Proportional to 15,984,724.37, 22,060,939.97 and 10,482,728.09
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Solution
The fourth proportional to 15,984,724.37, 22,060,939.97 and 10,482,728.09 is: 14,467,489.69
Step by Step Solution
- Step 1: Write the proportion equation
15,984,724.37 : 22,060,939.97 = 10,482,728.09 : x - Step 2: Convert to fraction form
15,984,724.37/22,060,939.97 = 10,482,728.09/x - Step 3: Cross multiply
15,984,724.37x = 22,060,939.97 × 10,482,728.09 - Step 4: Simplify right side
15,984,724.37x = 231,258,835,062,909.12 - Step 5: Solve for x
x = 231,258,835,062,909.12/15,984,724.37 - Step 6: Final answer
x = 14,467,489.69
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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.