Finding the Fourth Proportional to 19,848,228.64, 27,390,451.80 and 11,146,768
Calculator
Solution
The fourth proportional to 19,848,228.64, 27,390,451.80 and 11,146,768 is: 15,382,481.59
Step by Step Solution
- Step 1: Write the proportion equation
19,848,228.64 : 27,390,451.80 = 11,146,768 : x - Step 2: Convert to fraction form
19,848,228.64/27,390,451.80 = 11,146,768/x - Step 3: Cross multiply
19,848,228.64x = 27,390,451.80 × 11,146,768 - Step 4: Simplify right side
19,848,228.64x = 305,315,011,629,782.44 - Step 5: Solve for x
x = 305,315,011,629,782.44/19,848,228.64 - Step 6: Final answer
x = 15,382,481.59
Related Problems
Find fourth proportional to 9,924,114.32, 13,695,225.90 and 5,573,384
Half scale
Find fourth proportional to 39,696,457.28, 54,780,903.60 and 22,293,536
Double scale
Find fourth proportional to 19,848,229.64, 27,390,453.18 and 11,146,769
Similar ratio
Find fourth proportional to 29,772,342.96, 41,085,677.70 and 16,720,152
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.