Finding the Fourth Proportional to 38,265,928.68, 57,368,581.20 and 19,086,813.48
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Solution
The fourth proportional to 38,265,928.68, 57,368,581.20 and 19,086,813.48 is: 28,615,100.87
Step by Step Solution
- Step 1: Write the proportion equation
38,265,928.68 : 57,368,581.20 = 19,086,813.48 : x - Step 2: Convert to fraction form
38,265,928.68/57,368,581.20 = 19,086,813.48/x - Step 3: Cross multiply
38,265,928.68x = 57,368,581.20 × 19,086,813.48 - Step 4: Simplify right side
38,265,928.68x = 1,094,983,408,976,634.62 - Step 5: Solve for x
x = 1,094,983,408,976,634.62/38,265,928.68 - Step 6: Final answer
x = 28,615,100.87
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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.