Finding the Fourth Proportional to 14,761,405.15, 20,370,747.77 and 8,235,034.63
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Solution
The fourth proportional to 14,761,405.15, 20,370,747.77 and 8,235,034.63 is: 11,364,352.62
Step by Step Solution
- Step 1: Write the proportion equation
14,761,405.15 : 20,370,747.77 = 8,235,034.63 : x - Step 2: Convert to fraction form
14,761,405.15/20,370,747.77 = 8,235,034.63/x - Step 3: Cross multiply
14,761,405.15x = 20,370,747.77 × 8,235,034.63 - Step 4: Simplify right side
14,761,405.15x = 167,753,813,324,945.28 - Step 5: Solve for x
x = 167,753,813,324,945.28/14,761,405.15 - Step 6: Final answer
x = 11,364,352.62
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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.