Finding the Fourth Proportional to 25,177,619.49, 37,766,429.33 and 8,138,292.41
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Solution
The fourth proportional to 25,177,619.49, 37,766,429.33 and 8,138,292.41 is: 12,207,438.64
Step by Step Solution
- Step 1: Write the proportion equation
25,177,619.49 : 37,766,429.33 = 8,138,292.41 : x - Step 2: Convert to fraction form
25,177,619.49/37,766,429.33 = 8,138,292.41/x - Step 3: Cross multiply
25,177,619.49x = 37,766,429.33 × 8,138,292.41 - Step 4: Simplify right side
25,177,619.49x = 307,354,244,939,616.81 - Step 5: Solve for x
x = 307,354,244,939,616.81/25,177,619.49 - Step 6: Final answer
x = 12,207,438.64
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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.