Finding the Fourth Proportional to 10,120,183.71, 15,180,320.01 and 3,203,697.06
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Solution
The fourth proportional to 10,120,183.71, 15,180,320.01 and 3,203,697.06 is: 4,805,559.66
Step by Step Solution
- Step 1: Write the proportion equation
10,120,183.71 : 15,180,320.01 = 3,203,697.06 : x - Step 2: Convert to fraction form
10,120,183.71/15,180,320.01 = 3,203,697.06/x - Step 3: Cross multiply
10,120,183.71x = 15,180,320.01 × 3,203,697.06 - Step 4: Simplify right side
10,120,183.71x = 48,633,146,585,896.17 - Step 5: Solve for x
x = 48,633,146,585,896.17/10,120,183.71 - Step 6: Final answer
x = 4,805,559.66
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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.