Finding the Fourth Proportional to 21,626,766.08, 29,841,725.44 and 13,135,488
Calculator
Solution
The fourth proportional to 21,626,766.08, 29,841,725.44 and 13,135,488 is: 18,125,022.71
Step by Step Solution
- Step 1: Write the proportion equation
21,626,766.08 : 29,841,725.44 = 13,135,488 : x - Step 2: Convert to fraction form
21,626,766.08/29,841,725.44 = 13,135,488/x - Step 3: Cross multiply
21,626,766.08x = 29,841,725.44 × 13,135,488 - Step 4: Simplify right side
21,626,766.08x = 391,985,626,416,414.75 - Step 5: Solve for x
x = 391,985,626,416,414.75/21,626,766.08 - Step 6: Final answer
x = 18,125,022.71
Related Problems
Find fourth proportional to 10,813,383.04, 14,920,862.72 and 6,567,744
Half scale
Find fourth proportional to 43,253,532.16, 59,683,450.88 and 26,270,976
Double scale
Find fourth proportional to 21,626,767.08, 29,841,726.82 and 13,135,489
Similar ratio
Find fourth proportional to 32,440,149.12, 44,762,588.16 and 19,703,232
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.