Finding the Fourth Proportional to 13,747,088.75, 18,968,873.49 and 7,944,749.87
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Solution
The fourth proportional to 13,747,088.75, 18,968,873.49 and 7,944,749.87 is: 10,962,535.99
Step by Step Solution
- Step 1: Write the proportion equation
13,747,088.75 : 18,968,873.49 = 7,944,749.87 : x - Step 2: Convert to fraction form
13,747,088.75/18,968,873.49 = 7,944,749.87/x - Step 3: Cross multiply
13,747,088.75x = 18,968,873.49 × 7,944,749.87 - Step 4: Simplify right side
13,747,088.75x = 150,702,955,098,879.56 - Step 5: Solve for x
x = 150,702,955,098,879.56/13,747,088.75 - Step 6: Final answer
x = 10,962,535.99
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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.