Finding the Fourth Proportional to 30,135,678.72, 45,202,517.76 and 13,096,368
Calculator
Solution
The fourth proportional to 30,135,678.72, 45,202,517.76 and 13,096,368 is: 19,644,117.28
Step by Step Solution
- Step 1: Write the proportion equation
30,135,678.72 : 45,202,517.76 = 13,096,368 : x - Step 2: Convert to fraction form
30,135,678.72/45,202,517.76 = 13,096,368/x - Step 3: Cross multiply
30,135,678.72x = 45,202,517.76 × 13,096,368 - Step 4: Simplify right side
30,135,678.72x = 591,988,807,111,495.62 - Step 5: Solve for x
x = 591,988,807,111,495.62/30,135,678.72 - Step 6: Final answer
x = 19,644,117.28
Related Problems
Find fourth proportional to 15,067,839.36, 22,601,258.88 and 6,548,184
Half scale
Find fourth proportional to 60,271,357.44, 90,405,035.52 and 26,192,736
Double scale
Find fourth proportional to 30,135,679.72, 45,202,519.26 and 13,096,369
Similar ratio
Find fourth proportional to 45,203,518.08, 67,803,776.64 and 19,644,552
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.