Finding the Fourth Proportional to 9,758,219.58, 13,465,979.19 and 5,628,420
Calculator
Solution
The fourth proportional to 9,758,219.58, 13,465,979.19 and 5,628,420 is: 7,767,009.75
Step by Step Solution
- Step 1: Write the proportion equation
9,758,219.58 : 13,465,979.19 = 5,628,420 : x - Step 2: Convert to fraction form
9,758,219.58/13,465,979.19 = 5,628,420/x - Step 3: Cross multiply
9,758,219.58x = 13,465,979.19 × 5,628,420 - Step 4: Simplify right side
9,758,219.58x = 75,792,186,592,579.80 - Step 5: Solve for x
x = 75,792,186,592,579.80/9,758,219.58 - Step 6: Final answer
x = 7,767,009.75
Related Problems
Find fourth proportional to 4,879,109.79, 6,732,989.60 and 2,814,210
Half scale
Find fourth proportional to 19,516,439.16, 26,931,958.38 and 11,256,840
Double scale
Find fourth proportional to 9,758,220.58, 13,465,980.57 and 5,628,421
Similar ratio
Find fourth proportional to 14,637,329.37, 20,198,968.79 and 8,442,630
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.