Finding the Fourth Proportional to 38,373,986.80, 57,552,685.80 and 16,808,546.80
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Solution
The fourth proportional to 38,373,986.80, 57,552,685.80 and 16,808,546.80 is: 25,209,187.09
Step by Step Solution
- Step 1: Write the proportion equation
38,373,986.80 : 57,552,685.80 = 16,808,546.80 : x - Step 2: Convert to fraction form
38,373,986.80/57,552,685.80 = 16,808,546.80/x - Step 3: Cross multiply
38,373,986.80x = 57,552,685.80 × 16,808,546.80 - Step 4: Simplify right side
38,373,986.80x = 967,377,012,734,995.38 - Step 5: Solve for x
x = 967,377,012,734,995.38/38,373,986.80 - Step 6: Final answer
x = 25,209,187.09
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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.