Finding the Fourth Proportional to 32,419,908.74, 44,752,784.36 and 21,980,223.74
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Solution
The fourth proportional to 32,419,908.74, 44,752,784.36 and 21,980,223.74 is: 30,341,732.94
Step by Step Solution
- Step 1: Write the proportion equation
32,419,908.74 : 44,752,784.36 = 21,980,223.74 : x - Step 2: Convert to fraction form
32,419,908.74/44,752,784.36 = 21,980,223.74/x - Step 3: Cross multiply
32,419,908.74x = 44,752,784.36 × 21,980,223.74 - Step 4: Simplify right side
32,419,908.74x = 983,676,212,887,107.62 - Step 5: Solve for x
x = 983,676,212,887,107.62/32,419,908.74 - Step 6: Final answer
x = 30,341,732.94
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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.