Finding the Fourth Proportional to 48,436,738.80, 66,858,894.36 and 28,863,765.96
Calculator
Solution
The fourth proportional to 48,436,738.80, 66,858,894.36 and 28,863,765.96 is: 39,841,647.62
Step by Step Solution
- Step 1: Write the proportion equation
48,436,738.80 : 66,858,894.36 = 28,863,765.96 : x - Step 2: Convert to fraction form
48,436,738.80/66,858,894.36 = 28,863,765.96/x - Step 3: Cross multiply
48,436,738.80x = 66,858,894.36 × 28,863,765.96 - Step 4: Simplify right side
48,436,738.80x = 1,929,799,479,151,404 - Step 5: Solve for x
x = 1,929,799,479,151,404/48,436,738.80 - Step 6: Final answer
x = 39,841,647.62
Related Problems
Find fourth proportional to 24,218,369.40, 33,429,447.18 and 14,431,882.98
Half scale
Find fourth proportional to 96,873,477.60, 133,717,788.72 and 57,727,531.92
Double scale
Find fourth proportional to 48,436,739.80, 66,858,895.74 and 28,863,766.96
Similar ratio
Find fourth proportional to 72,655,108.20, 100,288,341.54 and 43,295,648.94
1.5x scale
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.