Finding the Fourth Proportional to 13,129,706.40, 19,692,589.68 and 4,153,092
Calculator
Solution
The fourth proportional to 13,129,706.40, 19,692,589.68 and 4,153,092 is: 6,229,014.89
Step by Step Solution
- Step 1: Write the proportion equation
13,129,706.40 : 19,692,589.68 = 4,153,092 : x - Step 2: Convert to fraction form
13,129,706.40/19,692,589.68 = 4,153,092/x - Step 3: Cross multiply
13,129,706.40x = 19,692,589.68 × 4,153,092 - Step 4: Simplify right side
13,129,706.40x = 81,785,136,659,290.56 - Step 5: Solve for x
x = 81,785,136,659,290.56/13,129,706.40 - Step 6: Final answer
x = 6,229,014.89
Related Problems
Find fourth proportional to 6,564,853.20, 9,846,294.84 and 2,076,546
Half scale
Find fourth proportional to 26,259,412.80, 39,385,179.36 and 8,306,184
Double scale
Find fourth proportional to 13,129,707.40, 19,692,591.18 and 4,153,093
Similar ratio
Find fourth proportional to 19,694,559.60, 29,538,884.52 and 6,229,638
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.