Finding the Fourth Proportional to 20,311,425.74, 28,066,824.81 and 14,795,166.58
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Solution
The fourth proportional to 20,311,425.74, 28,066,824.81 and 14,795,166.58 is: 20,444,322.99
Step by Step Solution
- Step 1: Write the proportion equation
20,311,425.74 : 28,066,824.81 = 14,795,166.58 : x - Step 2: Convert to fraction form
20,311,425.74/28,066,824.81 = 14,795,166.58/x - Step 3: Cross multiply
20,311,425.74x = 28,066,824.81 × 14,795,166.58 - Step 4: Simplify right side
20,311,425.74x = 415,253,348,365,459.81 - Step 5: Solve for x
x = 415,253,348,365,459.81/20,311,425.74 - Step 6: Final answer
x = 20,444,322.99
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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.