Finding the Fourth Proportional to 18,208,627.07, 27,326,423.39 and 8,624,035.31
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Solution
The fourth proportional to 18,208,627.07, 27,326,423.39 and 8,624,035.31 is: 12,942,438.72
Step by Step Solution
- Step 1: Write the proportion equation
18,208,627.07 : 27,326,423.39 = 8,624,035.31 : x - Step 2: Convert to fraction form
18,208,627.07/27,326,423.39 = 8,624,035.31/x - Step 3: Cross multiply
18,208,627.07x = 27,326,423.39 × 8,624,035.31 - Step 4: Simplify right side
18,208,627.07x = 235,664,040,031,617.62 - Step 5: Solve for x
x = 235,664,040,031,617.62/18,208,627.07 - Step 6: Final answer
x = 12,942,438.72
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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.