Finding the Fourth Proportional to 10,658,660.40, 15,987,842.10 and 2,571,568.20
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Solution
The fourth proportional to 10,658,660.40, 15,987,842.10 and 2,571,568.20 is: 3,857,316.47
Step by Step Solution
- Step 1: Write the proportion equation
10,658,660.40 : 15,987,842.10 = 2,571,568.20 : x - Step 2: Convert to fraction form
10,658,660.40/15,987,842.10 = 2,571,568.20/x - Step 3: Cross multiply
10,658,660.40x = 15,987,842.10 × 2,571,568.20 - Step 4: Simplify right side
10,658,660.40x = 41,113,826,330,981.22 - Step 5: Solve for x
x = 41,113,826,330,981.22/10,658,660.40 - Step 6: Final answer
x = 3,857,316.47
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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.