Finding the Fourth Proportional to 14,202,143.20, 21,303,214.80 and 8,816,874.40
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Solution
The fourth proportional to 14,202,143.20, 21,303,214.80 and 8,816,874.40 is: 13,225,311.60
Step by Step Solution
- Step 1: Write the proportion equation
14,202,143.20 : 21,303,214.80 = 8,816,874.40 : x - Step 2: Convert to fraction form
14,202,143.20/21,303,214.80 = 8,816,874.40/x - Step 3: Cross multiply
14,202,143.20x = 21,303,214.80 × 8,816,874.40 - Step 4: Simplify right side
14,202,143.20x = 187,827,769,207,821.12 - Step 5: Solve for x
x = 187,827,769,207,821.12/14,202,143.20 - Step 6: Final answer
x = 13,225,311.60
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1.5x scale
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.