Finding the Fourth Proportional to 19,736,116.20, 27,228,612.12 and 11,897,361.42
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Solution
The fourth proportional to 19,736,116.20, 27,228,612.12 and 11,897,361.42 is: 16,414,001.42
Step by Step Solution
- Step 1: Write the proportion equation
19,736,116.20 : 27,228,612.12 = 11,897,361.42 : x - Step 2: Convert to fraction form
19,736,116.20/27,228,612.12 = 11,897,361.42/x - Step 3: Cross multiply
19,736,116.20x = 27,228,612.12 × 11,897,361.42 - Step 4: Simplify right side
19,736,116.20x = 323,948,639,356,632.44 - Step 5: Solve for x
x = 323,948,639,356,632.44/19,736,116.20 - Step 6: Final answer
x = 16,414,001.42
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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.