Finding the Fourth Proportional to 16,128,423.40, 24,192,635.10 and 7,170,471.40
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Solution
The fourth proportional to 16,128,423.40, 24,192,635.10 and 7,170,471.40 is: 10,755,707.10
Step by Step Solution
- Step 1: Write the proportion equation
16,128,423.40 : 24,192,635.10 = 7,170,471.40 : x - Step 2: Convert to fraction form
16,128,423.40/24,192,635.10 = 7,170,471.40/x - Step 3: Cross multiply
16,128,423.40x = 24,192,635.10 × 7,170,471.40 - Step 4: Simplify right side
16,128,423.40x = 173,472,598,075,186.16 - Step 5: Solve for x
x = 173,472,598,075,186.16/16,128,423.40 - Step 6: Final answer
x = 10,755,707.10
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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.