Finding the Fourth Proportional to 13,503,960.07, 18,633,481.44 and 7,542,632.50
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Solution
The fourth proportional to 13,503,960.07, 18,633,481.44 and 7,542,632.50 is: 10,407,724.99
Step by Step Solution
- Step 1: Write the proportion equation
13,503,960.07 : 18,633,481.44 = 7,542,632.50 : x - Step 2: Convert to fraction form
13,503,960.07/18,633,481.44 = 7,542,632.50/x - Step 3: Cross multiply
13,503,960.07x = 18,633,481.44 × 7,542,632.50 - Step 4: Simplify right side
13,503,960.07x = 140,545,502,697,490.81 - Step 5: Solve for x
x = 140,545,502,697,490.81/13,503,960.07 - Step 6: Final answer
x = 10,407,724.99
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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.