Finding the Fourth Proportional to 12,187,674.72, 18,283,284 and 6,504,799.68
Calculator
Solution
The fourth proportional to 12,187,674.72, 18,283,284 and 6,504,799.68 is: 9,758,145.23
Step by Step Solution
- Step 1: Write the proportion equation
12,187,674.72 : 18,283,284 = 6,504,799.68 : x - Step 2: Convert to fraction form
12,187,674.72/18,283,284 = 6,504,799.68/x - Step 3: Cross multiply
12,187,674.72x = 18,283,284 × 6,504,799.68 - Step 4: Simplify right side
12,187,674.72x = 118,929,099,912,549.11 - Step 5: Solve for x
x = 118,929,099,912,549.11/12,187,674.72 - Step 6: Final answer
x = 9,758,145.23
Related Problems
Find fourth proportional to 6,093,837.36, 9,141,642 and 3,252,399.84
Half scale
Find fourth proportional to 24,375,349.44, 36,566,568 and 13,009,599.36
Double scale
Find fourth proportional to 12,187,675.72, 18,283,285.50 and 6,504,800.68
Similar ratio
Find fourth proportional to 18,281,512.08, 27,424,926 and 9,757,199.52
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.