Finding the Fourth Proportional to 43,808,437.80, 65,712,656.70 and 18,240,949.80
Calculator
Solution
The fourth proportional to 43,808,437.80, 65,712,656.70 and 18,240,949.80 is: 27,361,424.70
Step by Step Solution
- Step 1: Write the proportion equation
43,808,437.80 : 65,712,656.70 = 18,240,949.80 : x - Step 2: Convert to fraction form
43,808,437.80/65,712,656.70 = 18,240,949.80/x - Step 3: Cross multiply
43,808,437.80x = 65,712,656.70 × 18,240,949.80 - Step 4: Simplify right side
43,808,437.80x = 1,198,661,272,089,333.75 - Step 5: Solve for x
x = 1,198,661,272,089,333.75/43,808,437.80 - Step 6: Final answer
x = 27,361,424.70
Related Problems
Find fourth proportional to 21,904,218.90, 32,856,328.35 and 9,120,474.90
Half scale
Find fourth proportional to 87,616,875.60, 131,425,313.40 and 36,481,899.60
Double scale
Find fourth proportional to 43,808,438.80, 65,712,658.20 and 18,240,950.80
Similar ratio
Find fourth proportional to 65,712,656.70, 98,568,985.05 and 27,361,424.70
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.