Finding the Fourth Proportional to 40,296,229.11, 60,438,438.77 and 19,820,452.55
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Solution
The fourth proportional to 40,296,229.11, 60,438,438.77 and 19,820,452.55 is: 29,727,774.38
Step by Step Solution
- Step 1: Write the proportion equation
40,296,229.11 : 60,438,438.77 = 19,820,452.55 : x - Step 2: Convert to fraction form
40,296,229.11/60,438,438.77 = 19,820,452.55/x - Step 3: Cross multiply
40,296,229.11x = 60,438,438.77 × 19,820,452.55 - Step 4: Simplify right side
40,296,229.11x = 1,197,917,207,435,571 - Step 5: Solve for x
x = 1,197,917,207,435,571/40,296,229.11 - Step 6: Final answer
x = 29,727,774.38
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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.