Finding the Fourth Proportional to 36,213,529.80, 54,320,294.70 and 19,207,417.80
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Solution
The fourth proportional to 36,213,529.80, 54,320,294.70 and 19,207,417.80 is: 28,811,126.70
Step by Step Solution
- Step 1: Write the proportion equation
36,213,529.80 : 54,320,294.70 = 19,207,417.80 : x - Step 2: Convert to fraction form
36,213,529.80/54,320,294.70 = 19,207,417.80/x - Step 3: Cross multiply
36,213,529.80x = 54,320,294.70 × 19,207,417.80 - Step 4: Simplify right side
36,213,529.80x = 1,043,352,595,322,025.75 - Step 5: Solve for x
x = 1,043,352,595,322,025.75/36,213,529.80 - Step 6: Final answer
x = 28,811,126.70
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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.