Finding the Fourth Proportional to 47,389,421.49, 71,086,887.90 and 13,313,424.57
Calculator
Solution
The fourth proportional to 47,389,421.49, 71,086,887.90 and 13,313,424.57 is: 19,970,911.02
Step by Step Solution
- Step 1: Write the proportion equation
47,389,421.49 : 71,086,887.90 = 13,313,424.57 : x - Step 2: Convert to fraction form
47,389,421.49/71,086,887.90 = 13,313,424.57/x - Step 3: Cross multiply
47,389,421.49x = 71,086,887.90 × 13,313,424.57 - Step 4: Simplify right side
47,389,421.49x = 946,409,919,972,695.75 - Step 5: Solve for x
x = 946,409,919,972,695.75/47,389,421.49 - Step 6: Final answer
x = 19,970,911.02
Related Problems
Find fourth proportional to 23,694,710.75, 35,543,443.95 and 6,656,712.29
Half scale
Find fourth proportional to 94,778,842.98, 142,173,775.80 and 26,626,849.14
Double scale
Find fourth proportional to 47,389,422.49, 71,086,889.40 and 13,313,425.57
Similar ratio
Find fourth proportional to 71,084,132.24, 106,630,331.85 and 19,970,136.86
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.