Finding the Fourth Proportional to 38,628,268.20, 57,949,400.70 and 19,410,661.80
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Solution
The fourth proportional to 38,628,268.20, 57,949,400.70 and 19,410,661.80 is: 29,119,509.39
Step by Step Solution
- Step 1: Write the proportion equation
38,628,268.20 : 57,949,400.70 = 19,410,661.80 : x - Step 2: Convert to fraction form
38,628,268.20/57,949,400.70 = 19,410,661.80/x - Step 3: Cross multiply
38,628,268.20x = 57,949,400.70 × 19,410,661.80 - Step 4: Simplify right side
38,628,268.20x = 1,124,836,218,500,383.38 - Step 5: Solve for x
x = 1,124,836,218,500,383.38/38,628,268.20 - Step 6: Final answer
x = 29,119,509.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.