Finding the Fourth Proportional to 28,070,319.41, 41,930,433.63 and 20,797,982.94
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Solution
The fourth proportional to 28,070,319.41, 41,930,433.63 and 20,797,982.94 is: 31,067,278.95
Step by Step Solution
- Step 1: Write the proportion equation
28,070,319.41 : 41,930,433.63 = 20,797,982.94 : x - Step 2: Convert to fraction form
28,070,319.41/41,930,433.63 = 20,797,982.94/x - Step 3: Cross multiply
28,070,319.41x = 41,930,433.63 × 20,797,982.94 - Step 4: Simplify right side
28,070,319.41x = 872,068,443,303,542.38 - Step 5: Solve for x
x = 872,068,443,303,542.38/28,070,319.41 - Step 6: Final answer
x = 31,067,278.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.