Finding the Fourth Proportional to 18,125,140.44, 25,012,797.84 and 9,865,183.08
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Solution
The fourth proportional to 18,125,140.44, 25,012,797.84 and 9,865,183.08 is: 13,614,009.27
Step by Step Solution
- Step 1: Write the proportion equation
18,125,140.44 : 25,012,797.84 = 9,865,183.08 : x - Step 2: Convert to fraction form
18,125,140.44/25,012,797.84 = 9,865,183.08/x - Step 3: Cross multiply
18,125,140.44x = 25,012,797.84 × 9,865,183.08 - Step 4: Simplify right side
18,125,140.44x = 246,755,830,034,628.56 - Step 5: Solve for x
x = 246,755,830,034,628.56/18,125,140.44 - Step 6: Final answer
x = 13,614,009.27
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1.5x scale
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.