Finding the Fourth Proportional to 30,338,676.66, 45,509,342.99 and 8,775,458.09
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Solution
The fourth proportional to 30,338,676.66, 45,509,342.99 and 8,775,458.09 is: 13,163,571.26
Step by Step Solution
- Step 1: Write the proportion equation
30,338,676.66 : 45,509,342.99 = 8,775,458.09 : x - Step 2: Convert to fraction form
30,338,676.66/45,509,342.99 = 8,775,458.09/x - Step 3: Cross multiply
30,338,676.66x = 45,509,342.99 × 8,775,458.09 - Step 4: Simplify right side
30,338,676.66x = 399,365,332,060,778.25 - Step 5: Solve for x
x = 399,365,332,060,778.25/30,338,676.66 - Step 6: Final answer
x = 13,163,571.26
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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.