Finding the Fourth Proportional to 12,250,177.32, 18,379,128 and 5,772,991.08
Calculator
Solution
The fourth proportional to 12,250,177.32, 18,379,128 and 5,772,991.08 is: 8,661,306.63
Step by Step Solution
- Step 1: Write the proportion equation
12,250,177.32 : 18,379,128 = 5,772,991.08 : x - Step 2: Convert to fraction form
12,250,177.32/18,379,128 = 5,772,991.08/x - Step 3: Cross multiply
12,250,177.32x = 18,379,128 × 5,772,991.08 - Step 4: Simplify right side
12,250,177.32x = 106,102,542,002,178.23 - Step 5: Solve for x
x = 106,102,542,002,178.23/12,250,177.32 - Step 6: Final answer
x = 8,661,306.63
Related Problems
Find fourth proportional to 6,125,088.66, 9,189,564 and 2,886,495.54
Half scale
Find fourth proportional to 24,500,354.64, 36,758,256 and 11,545,982.16
Double scale
Find fourth proportional to 12,250,178.32, 18,379,129.50 and 5,772,992.08
Similar ratio
Find fourth proportional to 18,375,265.98, 27,568,692 and 8,659,486.62
1.5x scale
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.