Finding the Fourth Proportional to 19,811,293.60, 27,679,124 and 19,811,293.60
Calculator
Solution
The fourth proportional to 19,811,293.60, 27,679,124 and 19,811,293.60 is: 27,679,124
Step by Step Solution
- Step 1: Write the proportion equation
19,811,293.60 : 27,679,124 = 19,811,293.60 : x - Step 2: Convert to fraction form
19,811,293.60/27,679,124 = 19,811,293.60/x - Step 3: Cross multiply
19,811,293.60x = 27,679,124 × 19,811,293.60 - Step 4: Simplify right side
19,811,293.60x = 548,359,252,154,806.44 - Step 5: Solve for x
x = 548,359,252,154,806.44/19,811,293.60 - Step 6: Final answer
x = 27,679,124
Related Problems
Find fourth proportional to 9,905,646.80, 13,839,562 and 9,905,646.80
Half scale
Find fourth proportional to 39,622,587.20, 55,358,248 and 39,622,587.20
Double scale
Find fourth proportional to 19,811,294.60, 27,679,125.40 and 19,811,294.60
Similar ratio
Find fourth proportional to 29,716,940.40, 41,518,686 and 29,716,940.40
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.