Finding the Fourth Proportional to 20,645,915.84, 30,966,872.56 and 6,269,110
Calculator
Solution
The fourth proportional to 20,645,915.84, 30,966,872.56 and 6,269,110 is: 9,403,057.34
Step by Step Solution
- Step 1: Write the proportion equation
20,645,915.84 : 30,966,872.56 = 6,269,110 : x - Step 2: Convert to fraction form
20,645,915.84/30,966,872.56 = 6,269,110/x - Step 3: Cross multiply
20,645,915.84x = 30,966,872.56 × 6,269,110 - Step 4: Simplify right side
20,645,915.84x = 194,134,730,434,621.59 - Step 5: Solve for x
x = 194,134,730,434,621.59/20,645,915.84 - Step 6: Final answer
x = 9,403,057.34
Related Problems
Find fourth proportional to 10,322,957.92, 15,483,436.28 and 3,134,555
Half scale
Find fourth proportional to 41,291,831.68, 61,933,745.12 and 12,538,220
Double scale
Find fourth proportional to 20,645,916.84, 30,966,874.06 and 6,269,111
Similar ratio
Find fourth proportional to 30,968,873.76, 46,450,308.84 and 9,403,665
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.