Finding the Fourth Proportional to 47,959,578.75, 71,908,436.51 and 18,816,363.07
Calculator
Solution
The fourth proportional to 47,959,578.75, 71,908,436.51 and 18,816,363.07 is: 28,212,408.96
Step by Step Solution
- Step 1: Write the proportion equation
47,959,578.75 : 71,908,436.51 = 18,816,363.07 : x - Step 2: Convert to fraction form
47,959,578.75/71,908,436.51 = 18,816,363.07/x - Step 3: Cross multiply
47,959,578.75x = 71,908,436.51 × 18,816,363.07 - Step 4: Simplify right side
47,959,578.75x = 1,353,055,249,168,203.75 - Step 5: Solve for x
x = 1,353,055,249,168,203.75/47,959,578.75 - Step 6: Final answer
x = 28,212,408.96
Related Problems
Find fourth proportional to 23,979,789.38, 35,954,218.26 and 9,408,181.54
Half scale
Find fourth proportional to 95,919,157.50, 143,816,873.02 and 37,632,726.14
Double scale
Find fourth proportional to 47,959,579.75, 71,908,438.01 and 18,816,364.07
Similar ratio
Find fourth proportional to 71,939,368.13, 107,862,654.77 and 28,224,544.61
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.