Finding the Fourth Proportional to 13,631,289.12, 18,810,876.24 and 7,519,716
Calculator
Solution
The fourth proportional to 13,631,289.12, 18,810,876.24 and 7,519,716 is: 10,377,041.07
Step by Step Solution
- Step 1: Write the proportion equation
13,631,289.12 : 18,810,876.24 = 7,519,716 : x - Step 2: Convert to fraction form
13,631,289.12/18,810,876.24 = 7,519,716/x - Step 3: Cross multiply
13,631,289.12x = 18,810,876.24 × 7,519,716 - Step 4: Simplify right side
13,631,289.12x = 141,452,447,035,947.81 - Step 5: Solve for x
x = 141,452,447,035,947.81/13,631,289.12 - Step 6: Final answer
x = 10,377,041.07
Related Problems
Find fourth proportional to 6,815,644.56, 9,405,438.12 and 3,759,858
Half scale
Find fourth proportional to 27,262,578.24, 37,621,752.48 and 15,039,432
Double scale
Find fourth proportional to 13,631,290.12, 18,810,877.62 and 7,519,717
Similar ratio
Find fourth proportional to 20,446,933.68, 28,216,314.36 and 11,279,574
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.