Finding the Fourth Proportional to 10,120,173.98, 15,180,305.44 and 3,203,687.34
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Solution
The fourth proportional to 10,120,173.98, 15,180,305.44 and 3,203,687.34 is: 4,805,545.09
Step by Step Solution
- Step 1: Write the proportion equation
10,120,173.98 : 15,180,305.44 = 3,203,687.34 : x - Step 2: Convert to fraction form
10,120,173.98/15,180,305.44 = 3,203,687.34/x - Step 3: Cross multiply
10,120,173.98x = 15,180,305.44 × 3,203,687.34 - Step 4: Simplify right side
10,120,173.98x = 48,632,952,347,294.66 - Step 5: Solve for x
x = 48,632,952,347,294.66/10,120,173.98 - Step 6: Final answer
x = 4,805,545.09
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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.