Finding the Fourth Proportional to 10,961,566.36, 15,126,993.94 and 6,067,128.40
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Solution
The fourth proportional to 10,961,566.36, 15,126,993.94 and 6,067,128.40 is: 8,372,655.10
Step by Step Solution
- Step 1: Write the proportion equation
10,961,566.36 : 15,126,993.94 = 6,067,128.40 : x - Step 2: Convert to fraction form
10,961,566.36/15,126,993.94 = 6,067,128.40/x - Step 3: Cross multiply
10,961,566.36x = 15,126,993.94 × 6,067,128.40 - Step 4: Simplify right side
10,961,566.36x = 91,777,414,540,001.91 - Step 5: Solve for x
x = 91,777,414,540,001.91/10,961,566.36 - Step 6: Final answer
x = 8,372,655.10
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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.