Finding the Fourth Proportional to 22,789,286.12, 31,452,208.60 and 12,997,485.68
Calculator
Solution
The fourth proportional to 22,789,286.12, 31,452,208.60 and 12,997,485.68 is: 17,938,237.68
Step by Step Solution
- Step 1: Write the proportion equation
22,789,286.12 : 31,452,208.60 = 12,997,485.68 : x - Step 2: Convert to fraction form
22,789,286.12/31,452,208.60 = 12,997,485.68/x - Step 3: Cross multiply
22,789,286.12x = 31,452,208.60 × 12,997,485.68 - Step 4: Simplify right side
22,789,286.12x = 408,799,630,882,872.88 - Step 5: Solve for x
x = 408,799,630,882,872.88/22,789,286.12 - Step 6: Final answer
x = 17,938,237.68
Related Problems
Find fourth proportional to 11,394,643.06, 15,726,104.30 and 6,498,742.84
Half scale
Find fourth proportional to 45,578,572.24, 62,904,417.20 and 25,994,971.36
Double scale
Find fourth proportional to 22,789,287.12, 31,452,209.98 and 12,997,486.68
Similar ratio
Find fourth proportional to 34,183,929.18, 47,178,312.90 and 19,496,228.52
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.