Finding the Fourth Proportional to 7,982,156, 11,973,337.68 and 2,663,372
Calculator
Solution
The fourth proportional to 7,982,156, 11,973,337.68 and 2,663,372 is: 3,995,092.59
Step by Step Solution
- Step 1: Write the proportion equation
7,982,156 : 11,973,337.68 = 2,663,372 : x - Step 2: Convert to fraction form
7,982,156/11,973,337.68 = 2,663,372/x - Step 3: Cross multiply
7,982,156x = 11,973,337.68 × 2,663,372 - Step 4: Simplify right side
7,982,156x = 31,889,452,323,456.96 - Step 5: Solve for x
x = 31,889,452,323,456.96/7,982,156 - Step 6: Final answer
x = 3,995,092.59
Related Problems
Find fourth proportional to 3,991,078, 5,986,668.84 and 1,331,686
Half scale
Find fourth proportional to 15,964,312, 23,946,675.36 and 5,326,744
Double scale
Find fourth proportional to 7,982,157, 11,973,339.18 and 2,663,373
Similar ratio
Find fourth proportional to 11,973,234, 17,960,006.52 and 3,995,058
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.