Finding the Fourth Proportional to 35,438,214.20, 48,915,544.50 and 20,557,298.79
Calculator
Solution
The fourth proportional to 35,438,214.20, 48,915,544.50 and 20,557,298.79 is: 28,375,342.45
Step by Step Solution
- Step 1: Write the proportion equation
35,438,214.20 : 48,915,544.50 = 20,557,298.79 : x - Step 2: Convert to fraction form
35,438,214.20/48,915,544.50 = 20,557,298.79/x - Step 3: Cross multiply
35,438,214.20x = 48,915,544.50 × 20,557,298.79 - Step 4: Simplify right side
35,438,214.20x = 1,005,571,463,762,041.12 - Step 5: Solve for x
x = 1,005,571,463,762,041.12/35,438,214.20 - Step 6: Final answer
x = 28,375,342.45
Related Problems
Find fourth proportional to 17,719,107.10, 24,457,772.25 and 10,278,649.40
Half scale
Find fourth proportional to 70,876,428.39, 97,831,089 and 41,114,597.58
Double scale
Find fourth proportional to 35,438,215.20, 48,915,545.88 and 20,557,299.79
Similar ratio
Find fourth proportional to 53,157,321.29, 73,373,316.75 and 30,835,948.19
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.