Finding the Fourth Proportional to 11,511,347.80, 15,884,152.38 and 6,865,678.08
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Solution
The fourth proportional to 11,511,347.80, 15,884,152.38 and 6,865,678.08 is: 9,473,736.59
Step by Step Solution
- Step 1: Write the proportion equation
11,511,347.80 : 15,884,152.38 = 6,865,678.08 : x - Step 2: Convert to fraction form
11,511,347.80/15,884,152.38 = 6,865,678.08/x - Step 3: Cross multiply
11,511,347.80x = 15,884,152.38 × 6,865,678.08 - Step 4: Simplify right side
11,511,347.80x = 109,055,476,814,745.84 - Step 5: Solve for x
x = 109,055,476,814,745.84/11,511,347.80 - Step 6: Final answer
x = 9,473,736.59
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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.