Finding the Fourth Proportional to 10,120,174.98, 15,180,306.94 and 3,203,688.34
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Solution
The fourth proportional to 10,120,174.98, 15,180,306.94 and 3,203,688.34 is: 4,805,546.59
Step by Step Solution
- Step 1: Write the proportion equation
10,120,174.98 : 15,180,306.94 = 3,203,688.34 : x - Step 2: Convert to fraction form
10,120,174.98/15,180,306.94 = 3,203,688.34/x - Step 3: Cross multiply
10,120,174.98x = 15,180,306.94 × 3,203,688.34 - Step 4: Simplify right side
10,120,174.98x = 48,632,972,341,299.08 - Step 5: Solve for x
x = 48,632,972,341,299.08/10,120,174.98 - Step 6: Final answer
x = 4,805,546.59
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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.