Finding the Fourth Proportional to 13,248,343.20, 19,872,514.80 and 11,568,727.20
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Solution
The fourth proportional to 13,248,343.20, 19,872,514.80 and 11,568,727.20 is: 17,353,090.80
Step by Step Solution
- Step 1: Write the proportion equation
13,248,343.20 : 19,872,514.80 = 11,568,727.20 : x - Step 2: Convert to fraction form
13,248,343.20/19,872,514.80 = 11,568,727.20/x - Step 3: Cross multiply
13,248,343.20x = 19,872,514.80 × 11,568,727.20 - Step 4: Simplify right side
13,248,343.20x = 229,899,702,499,162.56 - Step 5: Solve for x
x = 229,899,702,499,162.56/13,248,343.20 - Step 6: Final answer
x = 17,353,090.80
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1.5x scale
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.