Finding the Fourth Proportional to 11,992,935.74, 16,550,251.09 and 6,486,311.01
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Solution
The fourth proportional to 11,992,935.74, 16,550,251.09 and 6,486,311.01 is: 8,951,109.08
Step by Step Solution
- Step 1: Write the proportion equation
11,992,935.74 : 16,550,251.09 = 6,486,311.01 : x - Step 2: Convert to fraction form
11,992,935.74/16,550,251.09 = 6,486,311.01/x - Step 3: Cross multiply
11,992,935.74x = 16,550,251.09 × 6,486,311.01 - Step 4: Simplify right side
11,992,935.74x = 107,350,075,909,179.17 - Step 5: Solve for x
x = 107,350,075,909,179.17/11,992,935.74 - Step 6: Final answer
x = 8,951,109.08
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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.