Finding the Fourth Proportional to 11,228,142.11, 15,494,928.77 and 6,199,053.60
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Solution
The fourth proportional to 11,228,142.11, 15,494,928.77 and 6,199,053.60 is: 8,554,745.12
Step by Step Solution
- Step 1: Write the proportion equation
11,228,142.11 : 15,494,928.77 = 6,199,053.60 : x - Step 2: Convert to fraction form
11,228,142.11/15,494,928.77 = 6,199,053.60/x - Step 3: Cross multiply
11,228,142.11x = 15,494,928.77 × 6,199,053.60 - Step 4: Simplify right side
11,228,142.11x = 96,053,893,988,909.70 - Step 5: Solve for x
x = 96,053,893,988,909.70/11,228,142.11 - Step 6: Final answer
x = 8,554,745.12
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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.