Finding the Fourth Proportional to 16,388,812.40, 24,583,218.60 and 7,885,756.40
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Solution
The fourth proportional to 16,388,812.40, 24,583,218.60 and 7,885,756.40 is: 11,828,634.60
Step by Step Solution
- Step 1: Write the proportion equation
16,388,812.40 : 24,583,218.60 = 7,885,756.40 : x - Step 2: Convert to fraction form
16,388,812.40/24,583,218.60 = 7,885,756.40/x - Step 3: Cross multiply
16,388,812.40x = 24,583,218.60 × 7,885,756.40 - Step 4: Simplify right side
16,388,812.40x = 193,857,273,407,549.06 - Step 5: Solve for x
x = 193,857,273,407,549.06/16,388,812.40 - Step 6: Final answer
x = 11,828,634.60
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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.