Finding the Fourth Proportional to 22,320,244.36, 30,800,887.50 and 12,397,770.28
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Solution
The fourth proportional to 22,320,244.36, 30,800,887.50 and 12,397,770.28 is: 17,108,339.92
Step by Step Solution
- Step 1: Write the proportion equation
22,320,244.36 : 30,800,887.50 = 12,397,770.28 : x - Step 2: Convert to fraction form
22,320,244.36/30,800,887.50 = 12,397,770.28/x - Step 3: Cross multiply
22,320,244.36x = 30,800,887.50 × 12,397,770.28 - Step 4: Simplify right side
22,320,244.36x = 381,862,327,645,123.50 - Step 5: Solve for x
x = 381,862,327,645,123.50/22,320,244.36 - Step 6: Final answer
x = 17,108,339.92
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1.5x scale
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.