Finding the Fourth Proportional to 18,533,904.70, 27,800,857.05 and 5,755,701.10
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Solution
The fourth proportional to 18,533,904.70, 27,800,857.05 and 5,755,701.10 is: 8,633,551.65
Step by Step Solution
- Step 1: Write the proportion equation
18,533,904.70 : 27,800,857.05 = 5,755,701.10 : x - Step 2: Convert to fraction form
18,533,904.70/27,800,857.05 = 5,755,701.10/x - Step 3: Cross multiply
18,533,904.70x = 27,800,857.05 × 5,755,701.10 - Step 4: Simplify right side
18,533,904.70x = 160,013,423,503,627.75 - Step 5: Solve for x
x = 160,013,423,503,627.75/18,533,904.70 - Step 6: Final answer
x = 8,633,551.65
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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.