Finding the Fourth Proportional to 11,139,221, 15,372,124.98 and 6,310,325
Calculator
Solution
The fourth proportional to 11,139,221, 15,372,124.98 and 6,310,325 is: 8,708,248.50
Step by Step Solution
- Step 1: Write the proportion equation
11,139,221 : 15,372,124.98 = 6,310,325 : x - Step 2: Convert to fraction form
11,139,221/15,372,124.98 = 6,310,325/x - Step 3: Cross multiply
11,139,221x = 15,372,124.98 × 6,310,325 - Step 4: Simplify right side
11,139,221x = 97,003,104,564,418.50 - Step 5: Solve for x
x = 97,003,104,564,418.50/11,139,221 - Step 6: Final answer
x = 8,708,248.50
Related Problems
Find fourth proportional to 5,569,610.50, 7,686,062.49 and 3,155,162.50
Half scale
Find fourth proportional to 22,278,442, 30,744,249.96 and 12,620,650
Double scale
Find fourth proportional to 11,139,222, 15,372,126.36 and 6,310,326
Similar ratio
Find fourth proportional to 16,708,831.50, 23,058,187.47 and 9,465,487.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.