Finding the Fourth Proportional to 8,118,522, 12,178,502.28 and 2,134,890
Calculator
Solution
The fourth proportional to 8,118,522, 12,178,502.28 and 2,134,890 is: 3,202,524.15
Step by Step Solution
- Step 1: Write the proportion equation
8,118,522 : 12,178,502.28 = 2,134,890 : x - Step 2: Convert to fraction form
8,118,522/12,178,502.28 = 2,134,890/x - Step 3: Cross multiply
8,118,522x = 12,178,502.28 × 2,134,890 - Step 4: Simplify right side
8,118,522x = 25,999,762,732,549.20 - Step 5: Solve for x
x = 25,999,762,732,549.20/8,118,522 - Step 6: Final answer
x = 3,202,524.15
Related Problems
Find fourth proportional to 4,059,261, 6,089,251.14 and 1,067,445
Half scale
Find fourth proportional to 16,237,044, 24,357,004.56 and 4,269,780
Double scale
Find fourth proportional to 8,118,523, 12,178,503.78 and 2,134,891
Similar ratio
Find fourth proportional to 12,177,783, 18,267,753.42 and 3,202,335
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.