Finding the Fourth Proportional to 11,270,937, 15,553,893.06 and 6,442,144.68
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Solution
The fourth proportional to 11,270,937, 15,553,893.06 and 6,442,144.68 is: 8,890,159.66
Step by Step Solution
- Step 1: Write the proportion equation
11,270,937 : 15,553,893.06 = 6,442,144.68 : x - Step 2: Convert to fraction form
11,270,937/15,553,893.06 = 6,442,144.68/x - Step 3: Cross multiply
11,270,937x = 15,553,893.06 × 6,442,144.68 - Step 4: Simplify right side
11,270,937x = 100,200,429,429,767.92 - Step 5: Solve for x
x = 100,200,429,429,767.92/11,270,937 - Step 6: Final answer
x = 8,890,159.66
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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.