Finding the Fourth Proportional to 10,181,632.20, 15,272,102.70 and 2,608,672.20
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Solution
The fourth proportional to 10,181,632.20, 15,272,102.70 and 2,608,672.20 is: 3,912,919.75
Step by Step Solution
- Step 1: Write the proportion equation
10,181,632.20 : 15,272,102.70 = 2,608,672.20 : x - Step 2: Convert to fraction form
10,181,632.20/15,272,102.70 = 2,608,672.20/x - Step 3: Cross multiply
10,181,632.20x = 15,272,102.70 × 2,608,672.20 - Step 4: Simplify right side
10,181,632.20x = 39,839,909,749,034.94 - Step 5: Solve for x
x = 39,839,909,749,034.94/10,181,632.20 - Step 6: Final answer
x = 3,912,919.75
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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.