Finding the Fourth Proportional to 44,281,639.80, 66,398,840.10 and 18,693,739.80
Calculator
Solution
The fourth proportional to 44,281,639.80, 66,398,840.10 and 18,693,739.80 is: 28,030,638.55
Step by Step Solution
- Step 1: Write the proportion equation
44,281,639.80 : 66,398,840.10 = 18,693,739.80 : x - Step 2: Convert to fraction form
44,281,639.80/66,398,840.10 = 18,693,739.80/x - Step 3: Cross multiply
44,281,639.80x = 66,398,840.10 × 18,693,739.80 - Step 4: Simplify right side
44,281,639.80x = 1,241,242,639,851,206 - Step 5: Solve for x
x = 1,241,242,639,851,206/44,281,639.80 - Step 6: Final answer
x = 28,030,638.55
Related Problems
Find fourth proportional to 22,140,819.90, 33,199,420.05 and 9,346,869.90
Half scale
Find fourth proportional to 88,563,279.60, 132,797,680.20 and 37,387,479.60
Double scale
Find fourth proportional to 44,281,640.80, 66,398,841.60 and 18,693,740.80
Similar ratio
Find fourth proportional to 66,422,459.70, 99,598,260.15 and 28,040,609.70
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.