Finding the Fourth Proportional to 11,511,344.80, 15,884,148.24 and 6,865,675.07
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Solution
The fourth proportional to 11,511,344.80, 15,884,148.24 and 6,865,675.07 is: 9,473,732.43
Step by Step Solution
- Step 1: Write the proportion equation
11,511,344.80 : 15,884,148.24 = 6,865,675.07 : x - Step 2: Convert to fraction form
11,511,344.80/15,884,148.24 = 6,865,675.07/x - Step 3: Cross multiply
11,511,344.80x = 15,884,148.24 × 6,865,675.07 - Step 4: Simplify right side
11,511,344.80x = 109,055,400,500,131.64 - Step 5: Solve for x
x = 109,055,400,500,131.64/11,511,344.80 - Step 6: Final answer
x = 9,473,732.43
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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.