Finding the Fourth Proportional to 30,236,202.73, 41,729,502.15 and 17,185,423.41
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Solution
The fourth proportional to 30,236,202.73, 41,729,502.15 and 17,185,423.41 is: 23,717,897.69
Step by Step Solution
- Step 1: Write the proportion equation
30,236,202.73 : 41,729,502.15 = 17,185,423.41 : x - Step 2: Convert to fraction form
30,236,202.73/41,729,502.15 = 17,185,423.41/x - Step 3: Cross multiply
30,236,202.73x = 41,729,502.15 × 17,185,423.41 - Step 4: Simplify right side
30,236,202.73x = 717,139,162,841,680.75 - Step 5: Solve for x
x = 717,139,162,841,680.75/30,236,202.73 - Step 6: Final answer
x = 23,717,897.69
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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.