Finding the Fourth Proportional to 14,931,433.36, 20,594,376.62 and 11,260,504.65
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Solution
The fourth proportional to 14,931,433.36, 20,594,376.62 and 11,260,504.65 is: 15,531,199.72
Step by Step Solution
- Step 1: Write the proportion equation
14,931,433.36 : 20,594,376.62 = 11,260,504.65 : x - Step 2: Convert to fraction form
14,931,433.36/20,594,376.62 = 11,260,504.65/x - Step 3: Cross multiply
14,931,433.36x = 20,594,376.62 × 11,260,504.65 - Step 4: Simplify right side
14,931,433.36x = 231,903,073,693,361.31 - Step 5: Solve for x
x = 231,903,073,693,361.31/14,931,433.36 - Step 6: Final answer
x = 15,531,199.72
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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.