Finding the Fourth Proportional to 56,130,910, 84,196,368.24 and 13,580,638
Calculator
Solution
The fourth proportional to 56,130,910, 84,196,368.24 and 13,580,638 is: 20,370,957.78
Step by Step Solution
- Step 1: Write the proportion equation
56,130,910 : 84,196,368.24 = 13,580,638 : x - Step 2: Convert to fraction form
56,130,910/84,196,368.24 = 13,580,638/x - Step 3: Cross multiply
56,130,910x = 84,196,368.24 × 13,580,638 - Step 4: Simplify right side
56,130,910x = 1,143,440,397,982,137 - Step 5: Solve for x
x = 1,143,440,397,982,137/56,130,910 - Step 6: Final answer
x = 20,370,957.78
Related Problems
Find fourth proportional to 28,065,455, 42,098,184.12 and 6,790,319
Half scale
Find fourth proportional to 112,261,820, 168,392,736.48 and 27,161,276
Double scale
Find fourth proportional to 56,130,911, 84,196,369.74 and 13,580,639
Similar ratio
Find fourth proportional to 84,196,365, 126,294,552.36 and 20,370,957
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.