Finding the Fourth Proportional to 10,120,963.80, 15,181,446.51 and 2,932,502.70
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Solution
The fourth proportional to 10,120,963.80, 15,181,446.51 and 2,932,502.70 is: 4,398,754.28
Step by Step Solution
- Step 1: Write the proportion equation
10,120,963.80 : 15,181,446.51 = 2,932,502.70 : x - Step 2: Convert to fraction form
10,120,963.80/15,181,446.51 = 2,932,502.70/x - Step 3: Cross multiply
10,120,963.80x = 15,181,446.51 × 2,932,502.70 - Step 4: Simplify right side
10,120,963.80x = 44,519,632,880,480.58 - Step 5: Solve for x
x = 44,519,632,880,480.58/10,120,963.80 - Step 6: Final answer
x = 4,398,754.28
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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.