Finding the Fourth Proportional to 7,006,474.20, 10,508,727.15 and 2,214,647.85
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Solution
The fourth proportional to 7,006,474.20, 10,508,727.15 and 2,214,647.85 is: 3,321,660.70
Step by Step Solution
- Step 1: Write the proportion equation
7,006,474.20 : 10,508,727.15 = 2,214,647.85 : x - Step 2: Convert to fraction form
7,006,474.20/10,508,727.15 = 2,214,647.85/x - Step 3: Cross multiply
7,006,474.20x = 10,508,727.15 × 2,214,647.85 - Step 4: Simplify right side
7,006,474.20x = 23,273,129,988,984.13 - Step 5: Solve for x
x = 23,273,129,988,984.13/7,006,474.20 - Step 6: Final answer
x = 3,321,660.70
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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.