Finding the Fourth Proportional to 14,573,133.60, 21,872,919.60 and 7,389,664.80
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Solution
The fourth proportional to 14,573,133.60, 21,872,919.60 and 7,389,664.80 is: 11,091,200.32
Step by Step Solution
- Step 1: Write the proportion equation
14,573,133.60 : 21,872,919.60 = 7,389,664.80 : x - Step 2: Convert to fraction form
14,573,133.60/21,872,919.60 = 7,389,664.80/x - Step 3: Cross multiply
14,573,133.60x = 21,872,919.60 × 7,389,664.80 - Step 4: Simplify right side
14,573,133.60x = 161,633,544,041,350.09 - Step 5: Solve for x
x = 161,633,544,041,350.09/14,573,133.60 - Step 6: Final answer
x = 11,091,200.32
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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.