Finding the Fourth Proportional to 16,040,318.40, 24,084,097.20 and 12,450,139.20
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Solution
The fourth proportional to 16,040,318.40, 24,084,097.20 and 12,450,139.20 is: 18,693,541.81
Step by Step Solution
- Step 1: Write the proportion equation
16,040,318.40 : 24,084,097.20 = 12,450,139.20 : x - Step 2: Convert to fraction form
16,040,318.40/24,084,097.20 = 12,450,139.20/x - Step 3: Cross multiply
16,040,318.40x = 24,084,097.20 × 12,450,139.20 - Step 4: Simplify right side
16,040,318.40x = 299,850,362,646,330.19 - Step 5: Solve for x
x = 299,850,362,646,330.19/16,040,318.40 - Step 6: Final answer
x = 18,693,541.81
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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.