Finding the Fourth Proportional to 35,918,844.12, 49,568,007.92 and 19,621,320.12
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Solution
The fourth proportional to 35,918,844.12, 49,568,007.92 and 19,621,320.12 is: 27,077,423.42
Step by Step Solution
- Step 1: Write the proportion equation
35,918,844.12 : 49,568,007.92 = 19,621,320.12 : x - Step 2: Convert to fraction form
35,918,844.12/49,568,007.92 = 19,621,320.12/x - Step 3: Cross multiply
35,918,844.12x = 49,568,007.92 × 19,621,320.12 - Step 4: Simplify right side
35,918,844.12x = 972,589,751,010,908.75 - Step 5: Solve for x
x = 972,589,751,010,908.75/35,918,844.12 - Step 6: Final answer
x = 27,077,423.42
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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.