Finding the Fourth Proportional to 11,781,241.56, 16,257,790.26 and 6,624,470.52
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Solution
The fourth proportional to 11,781,241.56, 16,257,790.26 and 6,624,470.52 is: 9,141,587.65
Step by Step Solution
- Step 1: Write the proportion equation
11,781,241.56 : 16,257,790.26 = 6,624,470.52 : x - Step 2: Convert to fraction form
11,781,241.56/16,257,790.26 = 6,624,470.52/x - Step 3: Cross multiply
11,781,241.56x = 16,257,790.26 × 6,624,470.52 - Step 4: Simplify right side
11,781,241.56x = 107,699,252,297,713.12 - Step 5: Solve for x
x = 107,699,252,297,713.12/11,781,241.56 - Step 6: Final answer
x = 9,141,587.65
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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.