Finding the Fourth Proportional to 16,628,716.40, 24,924,412.20 and 7,042,463.60
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Solution
The fourth proportional to 16,628,716.40, 24,924,412.20 and 7,042,463.60 is: 10,555,791.65
Step by Step Solution
- Step 1: Write the proportion equation
16,628,716.40 : 24,924,412.20 = 7,042,463.60 : x - Step 2: Convert to fraction form
16,628,716.40/24,924,412.20 = 7,042,463.60/x - Step 3: Cross multiply
16,628,716.40x = 24,924,412.20 × 7,042,463.60 - Step 4: Simplify right side
16,628,716.40x = 175,529,265,669,895.91 - Step 5: Solve for x
x = 175,529,265,669,895.91/16,628,716.40 - Step 6: Final answer
x = 10,555,791.65
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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.