Finding the Fourth Proportional to 18,324,653.36, 27,490,522.95 and 6,964,216.25
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Solution
The fourth proportional to 18,324,653.36, 27,490,522.95 and 6,964,216.25 is: 10,447,670.85
Step by Step Solution
- Step 1: Write the proportion equation
18,324,653.36 : 27,490,522.95 = 6,964,216.25 : x - Step 2: Convert to fraction form
18,324,653.36/27,490,522.95 = 6,964,216.25/x - Step 3: Cross multiply
18,324,653.36x = 27,490,522.95 × 6,964,216.25 - Step 4: Simplify right side
18,324,653.36x = 191,449,946,718,114.25 - Step 5: Solve for x
x = 191,449,946,718,114.25/18,324,653.36 - Step 6: Final answer
x = 10,447,670.85
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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.