Finding the Fourth Proportional to 32,714,984.13, 45,148,453.52 and 18,776,227.79
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Solution
The fourth proportional to 32,714,984.13, 45,148,453.52 and 18,776,227.79 is: 25,912,213.32
Step by Step Solution
- Step 1: Write the proportion equation
32,714,984.13 : 45,148,453.52 = 18,776,227.79 : x - Step 2: Convert to fraction form
32,714,984.13/45,148,453.52 = 18,776,227.79/x - Step 3: Cross multiply
32,714,984.13x = 45,148,453.52 × 18,776,227.79 - Step 4: Simplify right side
32,714,984.13x = 847,717,647,657,747.38 - Step 5: Solve for x
x = 847,717,647,657,747.38/32,714,984.13 - Step 6: Final answer
x = 25,912,213.32
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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.