Finding the Fourth Proportional to 14,729,442.74, 20,327,261.64 and 8,203,072.19
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Solution
The fourth proportional to 14,729,442.74, 20,327,261.64 and 8,203,072.19 is: 11,320,590.85
Step by Step Solution
- Step 1: Write the proportion equation
14,729,442.74 : 20,327,261.64 = 8,203,072.19 : x - Step 2: Convert to fraction form
14,729,442.74/20,327,261.64 = 8,203,072.19/x - Step 3: Cross multiply
14,729,442.74x = 20,327,261.64 × 8,203,072.19 - Step 4: Simplify right side
14,729,442.74x = 166,745,994,639,880.81 - Step 5: Solve for x
x = 166,745,994,639,880.81/14,729,442.74 - Step 6: Final answer
x = 11,320,590.85
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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.