Finding the Fourth Proportional to 7,990,752, 11,986,128 and 2,387,424
Calculator
Solution
The fourth proportional to 7,990,752, 11,986,128 and 2,387,424 is: 3,581,136
Step by Step Solution
- Step 1: Write the proportion equation
7,990,752 : 11,986,128 = 2,387,424 : x - Step 2: Convert to fraction form
7,990,752/11,986,128 = 2,387,424/x - Step 3: Cross multiply
7,990,752x = 11,986,128 × 2,387,424 - Step 4: Simplify right side
7,990,752x = 28,615,969,654,272 - Step 5: Solve for x
x = 28,615,969,654,272/7,990,752 - Step 6: Final answer
x = 3,581,136
Related Problems
Find fourth proportional to 3,995,376, 5,993,064 and 1,193,712
Half scale
Find fourth proportional to 15,981,504, 23,972,256 and 4,774,848
Double scale
Find fourth proportional to 7,990,753, 11,986,129.50 and 2,387,425
Similar ratio
Find fourth proportional to 11,986,128, 17,979,192 and 3,581,136
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.