Finding the Fourth Proportional to 27,624,888.38, 41,430,262.08 and 8,189,569.56
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Solution
The fourth proportional to 27,624,888.38, 41,430,262.08 and 8,189,569.56 is: 12,282,258.25
Step by Step Solution
- Step 1: Write the proportion equation
27,624,888.38 : 41,430,262.08 = 8,189,569.56 : x - Step 2: Convert to fraction form
27,624,888.38/41,430,262.08 = 8,189,569.56/x - Step 3: Cross multiply
27,624,888.38x = 41,430,262.08 × 8,189,569.56 - Step 4: Simplify right side
27,624,888.38x = 339,296,013,193,190.25 - Step 5: Solve for x
x = 339,296,013,193,190.25/27,624,888.38 - Step 6: Final answer
x = 12,282,258.25
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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.