Finding the Fourth Proportional to 10,293,517.68, 15,440,407.92 and 2,720,418
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Solution
The fourth proportional to 10,293,517.68, 15,440,407.92 and 2,720,418 is: 4,080,661.73
Step by Step Solution
- Step 1: Write the proportion equation
10,293,517.68 : 15,440,407.92 = 2,720,418 : x - Step 2: Convert to fraction form
10,293,517.68/15,440,407.92 = 2,720,418/x - Step 3: Cross multiply
10,293,517.68x = 15,440,407.92 × 2,720,418 - Step 4: Simplify right side
10,293,517.68x = 42,004,363,632,910.56 - Step 5: Solve for x
x = 42,004,363,632,910.56/10,293,517.68 - Step 6: Final answer
x = 4,080,661.73
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1.5x scale
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.