Finding the Fourth Proportional to 10,434,517.80, 15,651,776.70 and 2,861,471.40
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Solution
The fourth proportional to 10,434,517.80, 15,651,776.70 and 2,861,471.40 is: 4,292,207.10
Step by Step Solution
- Step 1: Write the proportion equation
10,434,517.80 : 15,651,776.70 = 2,861,471.40 : x - Step 2: Convert to fraction form
10,434,517.80/15,651,776.70 = 2,861,471.40/x - Step 3: Cross multiply
10,434,517.80x = 15,651,776.70 × 2,861,471.40 - Step 4: Simplify right side
10,434,517.80x = 44,787,111,386,236.38 - Step 5: Solve for x
x = 44,787,111,386,236.38/10,434,517.80 - Step 6: Final answer
x = 4,292,207.10
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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.