Finding the Fourth Proportional to 28,347,652, 39,131,851.98 and 19,060,605.10
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Solution
The fourth proportional to 28,347,652, 39,131,851.98 and 19,060,605.10 is: 26,311,765.69
Step by Step Solution
- Step 1: Write the proportion equation
28,347,652 : 39,131,851.98 = 19,060,605.10 : x - Step 2: Convert to fraction form
28,347,652/39,131,851.98 = 19,060,605.10/x - Step 3: Cross multiply
28,347,652x = 39,131,851.98 × 19,060,605.10 - Step 4: Simplify right side
28,347,652x = 745,876,777,422,433.12 - Step 5: Solve for x
x = 745,876,777,422,433.12/28,347,652 - Step 6: Final answer
x = 26,311,765.69
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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.