Finding the Fourth Proportional to 7,120,288.08, 10,682,816.76 and 2,328,198.48
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Solution
The fourth proportional to 7,120,288.08, 10,682,816.76 and 2,328,198.48 is: 3,493,077.45
Step by Step Solution
- Step 1: Write the proportion equation
7,120,288.08 : 10,682,816.76 = 2,328,198.48 : x - Step 2: Convert to fraction form
7,120,288.08/10,682,816.76 = 2,328,198.48/x - Step 3: Cross multiply
7,120,288.08x = 10,682,816.76 × 2,328,198.48 - Step 4: Simplify right side
7,120,288.08x = 24,871,717,742,750.52 - Step 5: Solve for x
x = 24,871,717,742,750.52/7,120,288.08 - Step 6: Final answer
x = 3,493,077.45
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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.