Finding the Fourth Proportional to 7,120,286.08, 10,682,813.76 and 2,328,196.48
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Solution
The fourth proportional to 7,120,286.08, 10,682,813.76 and 2,328,196.48 is: 3,493,074.45
Step by Step Solution
- Step 1: Write the proportion equation
7,120,286.08 : 10,682,813.76 = 2,328,196.48 : x - Step 2: Convert to fraction form
7,120,286.08/10,682,813.76 = 2,328,196.48/x - Step 3: Cross multiply
7,120,286.08x = 10,682,813.76 × 2,328,196.48 - Step 4: Simplify right side
7,120,286.08x = 24,871,689,392,527.56 - Step 5: Solve for x
x = 24,871,689,392,527.56/7,120,286.08 - Step 6: Final answer
x = 3,493,074.45
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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.