Finding the Fourth Proportional to 14,311,734.24, 19,749,837.28 and 8,199,769.12
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Solution
The fourth proportional to 14,311,734.24, 19,749,837.28 and 8,199,769.12 is: 11,315,477.44
Step by Step Solution
- Step 1: Write the proportion equation
14,311,734.24 : 19,749,837.28 = 8,199,769.12 : x - Step 2: Convert to fraction form
14,311,734.24/19,749,837.28 = 8,199,769.12/x - Step 3: Cross multiply
14,311,734.24x = 19,749,837.28 × 8,199,769.12 - Step 4: Simplify right side
14,311,734.24x = 161,944,105,853,568.81 - Step 5: Solve for x
x = 161,944,105,853,568.81/14,311,734.24 - Step 6: Final answer
x = 11,315,477.44
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1.5x scale
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.