Finding the Fourth Proportional to 18,324,958.68, 25,288,746.66 and 10,065,784.68
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Solution
The fourth proportional to 18,324,958.68, 25,288,746.66 and 10,065,784.68 is: 13,890,949.67
Step by Step Solution
- Step 1: Write the proportion equation
18,324,958.68 : 25,288,746.66 = 10,065,784.68 : x - Step 2: Convert to fraction form
18,324,958.68/25,288,746.66 = 10,065,784.68/x - Step 3: Cross multiply
18,324,958.68x = 25,288,746.66 × 10,065,784.68 - Step 4: Simplify right side
18,324,958.68x = 254,551,078,706,629.16 - Step 5: Solve for x
x = 254,551,078,706,629.16/18,324,958.68 - Step 6: Final answer
x = 13,890,949.67
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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.