Finding the Fourth Proportional to 38,363,440.40, 57,450,682.20 and 18,145,062.80
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Solution
The fourth proportional to 38,363,440.40, 57,450,682.20 and 18,145,062.80 is: 27,172,908.00
Step by Step Solution
- Step 1: Write the proportion equation
38,363,440.40 : 57,450,682.20 = 18,145,062.80 : x - Step 2: Convert to fraction form
38,363,440.40/57,450,682.20 = 18,145,062.80/x - Step 3: Cross multiply
38,363,440.40x = 57,450,682.20 × 18,145,062.80 - Step 4: Simplify right side
38,363,440.40x = 1,042,446,236,421,842.25 - Step 5: Solve for x
x = 1,042,446,236,421,842.25/38,363,440.40 - Step 6: Final answer
x = 27,172,908.00
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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.