Finding the Fourth Proportional to 14,635,246.50, 20,185,267.41 and 9,992,765.70
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Solution
The fourth proportional to 14,635,246.50, 20,185,267.41 and 9,992,765.70 is: 13,782,251.49
Step by Step Solution
- Step 1: Write the proportion equation
14,635,246.50 : 20,185,267.41 = 9,992,765.70 : x - Step 2: Convert to fraction form
14,635,246.50/20,185,267.41 = 9,992,765.70/x - Step 3: Cross multiply
14,635,246.50x = 20,185,267.41 × 9,992,765.70 - Step 4: Simplify right side
14,635,246.50x = 201,706,647,819,975.81 - Step 5: Solve for x
x = 201,706,647,819,975.81/14,635,246.50 - Step 6: Final answer
x = 13,782,251.49
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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.