Finding the Fourth Proportional to 21,361,658.64, 32,044,458 and 6,984,800.16
Calculator
Solution
The fourth proportional to 21,361,658.64, 32,044,458 and 6,984,800.16 is: 10,477,844.40
Step by Step Solution
- Step 1: Write the proportion equation
21,361,658.64 : 32,044,458 = 6,984,800.16 : x - Step 2: Convert to fraction form
21,361,658.64/32,044,458 = 6,984,800.16/x - Step 3: Cross multiply
21,361,658.64x = 32,044,458 × 6,984,800.16 - Step 4: Simplify right side
21,361,658.64x = 223,824,135,365,513.28 - Step 5: Solve for x
x = 223,824,135,365,513.28/21,361,658.64 - Step 6: Final answer
x = 10,477,844.40
Related Problems
Find fourth proportional to 10,680,829.32, 16,022,229 and 3,492,400.08
Half scale
Find fourth proportional to 42,723,317.28, 64,088,916 and 13,969,600.32
Double scale
Find fourth proportional to 21,361,659.64, 32,044,459.50 and 6,984,801.16
Similar ratio
Find fourth proportional to 32,042,487.96, 48,066,687 and 10,477,200.24
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.