Finding the Fourth Proportional to 13,320,957.24, 19,989,407.35 and 5,747,922.99
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Solution
The fourth proportional to 13,320,957.24, 19,989,407.35 and 5,747,922.99 is: 8,625,324.14
Step by Step Solution
- Step 1: Write the proportion equation
13,320,957.24 : 19,989,407.35 = 5,747,922.99 : x - Step 2: Convert to fraction form
13,320,957.24/19,989,407.35 = 5,747,922.99/x - Step 3: Cross multiply
13,320,957.24x = 19,989,407.35 × 5,747,922.99 - Step 4: Simplify right side
13,320,957.24x = 114,897,574,063,539.98 - Step 5: Solve for x
x = 114,897,574,063,539.98/13,320,957.24 - Step 6: Final answer
x = 8,625,324.14
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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.