Finding the Fourth Proportional to 11,531,884.17, 15,918,007.82 and 6,639,056.33
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Solution
The fourth proportional to 11,531,884.17, 15,918,007.82 and 6,639,056.33 is: 9,164,204.99
Step by Step Solution
- Step 1: Write the proportion equation
11,531,884.17 : 15,918,007.82 = 6,639,056.33 : x - Step 2: Convert to fraction form
11,531,884.17/15,918,007.82 = 6,639,056.33/x - Step 3: Cross multiply
11,531,884.17x = 15,918,007.82 × 6,639,056.33 - Step 4: Simplify right side
11,531,884.17x = 105,680,550,465,575.17 - Step 5: Solve for x
x = 105,680,550,465,575.17/11,531,884.17 - Step 6: Final answer
x = 9,164,204.99
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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.