Finding the Fourth Proportional to 10,129,249.87, 15,195,124.13 and 3,303,998.30
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Solution
The fourth proportional to 10,129,249.87, 15,195,124.13 and 3,303,998.30 is: 4,956,404.96
Step by Step Solution
- Step 1: Write the proportion equation
10,129,249.87 : 15,195,124.13 = 3,303,998.30 : x - Step 2: Convert to fraction form
10,129,249.87/15,195,124.13 = 3,303,998.30/x - Step 3: Cross multiply
10,129,249.87x = 15,195,124.13 × 3,303,998.30 - Step 4: Simplify right side
10,129,249.87x = 50,204,664,315,276.80 - Step 5: Solve for x
x = 50,204,664,315,276.80/10,129,249.87 - Step 6: Final answer
x = 4,956,404.96
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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.