Finding the Fourth Proportional to 10,203,763.20, 14,080,661.78 and 6,336,201.32
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Solution
The fourth proportional to 10,203,763.20, 14,080,661.78 and 6,336,201.32 is: 8,743,627.82
Step by Step Solution
- Step 1: Write the proportion equation
10,203,763.20 : 14,080,661.78 = 6,336,201.32 : x - Step 2: Convert to fraction form
10,203,763.20/14,080,661.78 = 6,336,201.32/x - Step 3: Cross multiply
10,203,763.20x = 14,080,661.78 × 6,336,201.32 - Step 4: Simplify right side
10,203,763.20x = 89,217,907,756,909.55 - Step 5: Solve for x
x = 89,217,907,756,909.55/10,203,763.20 - Step 6: Final answer
x = 8,743,627.82
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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.