Finding the Fourth Proportional to 36,357,716.32, 50,176,107.12 and 20,893,965.28
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Solution
The fourth proportional to 36,357,716.32, 50,176,107.12 and 20,893,965.28 is: 28,835,084.99
Step by Step Solution
- Step 1: Write the proportion equation
36,357,716.32 : 50,176,107.12 = 20,893,965.28 : x - Step 2: Convert to fraction form
36,357,716.32/50,176,107.12 = 20,893,965.28/x - Step 3: Cross multiply
36,357,716.32x = 50,176,107.12 × 20,893,965.28 - Step 4: Simplify right side
36,357,716.32x = 1,048,377,840,050,840.75 - Step 5: Solve for x
x = 1,048,377,840,050,840.75/36,357,716.32 - Step 6: Final answer
x = 28,835,084.99
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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.