Finding the Fourth Proportional to 17,920,013.40, 26,880,020.10 and 16,361,119.80
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Solution
The fourth proportional to 17,920,013.40, 26,880,020.10 and 16,361,119.80 is: 24,541,679.70
Step by Step Solution
- Step 1: Write the proportion equation
17,920,013.40 : 26,880,020.10 = 16,361,119.80 : x - Step 2: Convert to fraction form
17,920,013.40/26,880,020.10 = 16,361,119.80/x - Step 3: Cross multiply
17,920,013.40x = 26,880,020.10 × 16,361,119.80 - Step 4: Simplify right side
17,920,013.40x = 439,787,229,082,508 - Step 5: Solve for x
x = 439,787,229,082,508/17,920,013.40 - Step 6: Final answer
x = 24,541,679.70
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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.