Finding the Fourth Proportional to 10,498,414.68, 15,741,923.49 and 4,734,404.21
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Solution
The fourth proportional to 10,498,414.68, 15,741,923.49 and 4,734,404.21 is: 7,099,036.49
Step by Step Solution
- Step 1: Write the proportion equation
10,498,414.68 : 15,741,923.49 = 4,734,404.21 : x - Step 2: Convert to fraction form
10,498,414.68/15,741,923.49 = 4,734,404.21/x - Step 3: Cross multiply
10,498,414.68x = 15,741,923.49 × 4,734,404.21 - Step 4: Simplify right side
10,498,414.68x = 74,528,628,883,908.70 - Step 5: Solve for x
x = 74,528,628,883,908.70/10,498,414.68 - Step 6: Final answer
x = 7,099,036.49
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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.