Finding the Fourth Proportional to 22,472,194.91, 31,008,304.17 and 13,647,056.99
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Solution
The fourth proportional to 22,472,194.91, 31,008,304.17 and 13,647,056.99 is: 18,830,919.53
Step by Step Solution
- Step 1: Write the proportion equation
22,472,194.91 : 31,008,304.17 = 13,647,056.99 : x - Step 2: Convert to fraction form
22,472,194.91/31,008,304.17 = 13,647,056.99/x - Step 3: Cross multiply
22,472,194.91x = 31,008,304.17 × 13,647,056.99 - Step 4: Simplify right side
22,472,194.91x = 423,172,094,016,203.12 - Step 5: Solve for x
x = 423,172,094,016,203.12/22,472,194.91 - Step 6: Final answer
x = 18,830,919.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.