Finding the Fourth Proportional to 11,485,654.09, 17,212,226.05 and 6,370,335.61
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Solution
The fourth proportional to 11,485,654.09, 17,212,226.05 and 6,370,335.61 is: 9,546,487.79
Step by Step Solution
- Step 1: Write the proportion equation
11,485,654.09 : 17,212,226.05 = 6,370,335.61 : x - Step 2: Convert to fraction form
11,485,654.09/17,212,226.05 = 6,370,335.61/x - Step 3: Cross multiply
11,485,654.09x = 17,212,226.05 × 6,370,335.61 - Step 4: Simplify right side
11,485,654.09x = 109,647,656,533,684.66 - Step 5: Solve for x
x = 109,647,656,533,684.66/11,485,654.09 - Step 6: Final answer
x = 9,546,487.79
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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.