Finding the Fourth Proportional to 28,755,357.69, 39,682,358.88 and 16,998,863.08
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Solution
The fourth proportional to 28,755,357.69, 39,682,358.88 and 16,998,863.08 is: 23,458,410.52
Step by Step Solution
- Step 1: Write the proportion equation
28,755,357.69 : 39,682,358.88 = 16,998,863.08 : x - Step 2: Convert to fraction form
28,755,357.69/39,682,358.88 = 16,998,863.08/x - Step 3: Cross multiply
28,755,357.69x = 39,682,358.88 × 16,998,863.08 - Step 4: Simplify right side
28,755,357.69x = 674,554,985,129,590.50 - Step 5: Solve for x
x = 674,554,985,129,590.50/28,755,357.69 - Step 6: Final answer
x = 23,458,410.52
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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.