Finding the Fourth Proportional to 10,858,464.40, 14,980,930.68 and 6,940,512.22
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Solution
The fourth proportional to 10,858,464.40, 14,980,930.68 and 6,940,512.22 is: 9,575,509.82
Step by Step Solution
- Step 1: Write the proportion equation
10,858,464.40 : 14,980,930.68 = 6,940,512.22 : x - Step 2: Convert to fraction form
10,858,464.40/14,980,930.68 = 6,940,512.22/x - Step 3: Cross multiply
10,858,464.40x = 14,980,930.68 × 6,940,512.22 - Step 4: Simplify right side
10,858,464.40x = 103,975,332,451,512.91 - Step 5: Solve for x
x = 103,975,332,451,512.91/10,858,464.40 - Step 6: Final answer
x = 9,575,509.82
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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.