Finding the Fourth Proportional to 38,324,709.36, 52,889,350.68 and 20,921,982.48
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Solution
The fourth proportional to 38,324,709.36, 52,889,350.68 and 20,921,982.48 is: 28,873,019.18
Step by Step Solution
- Step 1: Write the proportion equation
38,324,709.36 : 52,889,350.68 = 20,921,982.48 : x - Step 2: Convert to fraction form
38,324,709.36/52,889,350.68 = 20,921,982.48/x - Step 3: Cross multiply
38,324,709.36x = 52,889,350.68 × 20,921,982.48 - Step 4: Simplify right side
38,324,709.36x = 1,106,550,068,305,536.12 - Step 5: Solve for x
x = 1,106,550,068,305,536.12/38,324,709.36 - Step 6: Final answer
x = 28,873,019.18
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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.