Finding the Fourth Proportional to 38,790,310.56, 58,191,998.32 and 11,857,668
Calculator
Solution
The fourth proportional to 38,790,310.56, 58,191,998.32 and 11,857,668 is: 17,788,498.89
Step by Step Solution
- Step 1: Write the proportion equation
38,790,310.56 : 58,191,998.32 = 11,857,668 : x - Step 2: Convert to fraction form
38,790,310.56/58,191,998.32 = 11,857,668/x - Step 3: Cross multiply
38,790,310.56x = 58,191,998.32 × 11,857,668 - Step 4: Simplify right side
38,790,310.56x = 690,021,396,335,117.75 - Step 5: Solve for x
x = 690,021,396,335,117.75/38,790,310.56 - Step 6: Final answer
x = 17,788,498.89
Related Problems
Find fourth proportional to 19,395,155.28, 29,095,999.16 and 5,928,834
Half scale
Find fourth proportional to 77,580,621.12, 116,383,996.64 and 23,715,336
Double scale
Find fourth proportional to 38,790,311.56, 58,191,999.82 and 11,857,669
Similar ratio
Find fourth proportional to 58,185,465.84, 87,287,997.48 and 17,786,502
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.