Finding the Fourth Proportional to 10,186,199.40, 15,279,163.83 and 2,509,936.05
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Solution
The fourth proportional to 10,186,199.40, 15,279,163.83 and 2,509,936.05 is: 3,764,870.74
Step by Step Solution
- Step 1: Write the proportion equation
10,186,199.40 : 15,279,163.83 = 2,509,936.05 : x - Step 2: Convert to fraction form
10,186,199.40/15,279,163.83 = 2,509,936.05/x - Step 3: Cross multiply
10,186,199.40x = 15,279,163.83 × 2,509,936.05 - Step 4: Simplify right side
10,186,199.40x = 38,349,724,110,773.07 - Step 5: Solve for x
x = 38,349,724,110,773.07/10,186,199.40 - Step 6: Final answer
x = 3,764,870.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.