Finding the Fourth Proportional to 17,631,293.13, 26,434,866 and 8,978,644.50
Calculator
Solution
The fourth proportional to 17,631,293.13, 26,434,866 and 8,978,644.50 is: 13,461,818.28
Step by Step Solution
- Step 1: Write the proportion equation
17,631,293.13 : 26,434,866 = 8,978,644.50 : x - Step 2: Convert to fraction form
17,631,293.13/26,434,866 = 8,978,644.50/x - Step 3: Cross multiply
17,631,293.13x = 26,434,866 × 8,978,644.50 - Step 4: Simplify right side
17,631,293.13x = 237,349,264,219,137 - Step 5: Solve for x
x = 237,349,264,219,137/17,631,293.13 - Step 6: Final answer
x = 13,461,818.28
Related Problems
Find fourth proportional to 8,815,646.57, 13,217,433 and 4,489,322.25
Half scale
Find fourth proportional to 35,262,586.26, 52,869,732 and 17,957,289
Double scale
Find fourth proportional to 17,631,294.13, 26,434,867.50 and 8,978,645.50
Similar ratio
Find fourth proportional to 26,446,939.70, 39,652,299 and 13,467,966.75
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.