Finding the Fourth Proportional to 10,203,763.20, 14,080,661.76 and 6,336,201.36
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Solution
The fourth proportional to 10,203,763.20, 14,080,661.76 and 6,336,201.36 is: 8,743,627.86
Step by Step Solution
- Step 1: Write the proportion equation
10,203,763.20 : 14,080,661.76 = 6,336,201.36 : x - Step 2: Convert to fraction form
10,203,763.20/14,080,661.76 = 6,336,201.36/x - Step 3: Cross multiply
10,203,763.20x = 14,080,661.76 × 6,336,201.36 - Step 4: Simplify right side
10,203,763.20x = 89,217,908,193,412 - Step 5: Solve for x
x = 89,217,908,193,412/10,203,763.20 - Step 6: Final answer
x = 8,743,627.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.