Finding the Fourth Proportional to 19,975,309.28, 27,562,971 and 12,130,742
Calculator
Solution
The fourth proportional to 19,975,309.28, 27,562,971 and 12,130,742 is: 16,738,628.94
Step by Step Solution
- Step 1: Write the proportion equation
19,975,309.28 : 27,562,971 = 12,130,742 : x - Step 2: Convert to fraction form
19,975,309.28/27,562,971 = 12,130,742/x - Step 3: Cross multiply
19,975,309.28x = 27,562,971 × 12,130,742 - Step 4: Simplify right side
19,975,309.28x = 334,359,289,954,482 - Step 5: Solve for x
x = 334,359,289,954,482/19,975,309.28 - Step 6: Final answer
x = 16,738,628.94
Related Problems
Find fourth proportional to 9,987,654.64, 13,781,485.50 and 6,065,371
Half scale
Find fourth proportional to 39,950,618.56, 55,125,942 and 24,261,484
Double scale
Find fourth proportional to 19,975,310.28, 27,562,972.38 and 12,130,743
Similar ratio
Find fourth proportional to 29,962,963.92, 41,344,456.50 and 18,196,113
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.